1 0 Unnamed devices (e.g. non-device mounts) 2 0 = reserved as null device number 3 See block major 144, 145, 146 for expansion areas. 4 5 1 char Memory devices 6 1 = /dev/mem Physical memory access 7 2 = /dev/kmem Kernel virtual memory access 8 3 = /dev/null Null device 9 4 = /dev/port I/O port access 10 5 = /dev/zero Null byte source 11 6 = /dev/core OBSOLETE - replaced by /proc/kcore 12 7 = /dev/full Returns ENOSPC on write 13 8 = /dev/random Nondeterministic random number gen. 14 9 = /dev/urandom Faster, less secure random number gen. 15 10 = /dev/aio Asynchronous I/O notification interface 16 11 = /dev/kmsg Writes to this come out as printk's, reads 17 export the buffered printk records. 18 12 = /dev/oldmem OBSOLETE - replaced by /proc/vmcore 19 20 1 block RAM disk 21 0 = /dev/ram0 First RAM disk 22 1 = /dev/ram1 Second RAM disk 23 ... 24 250 = /dev/initrd Initial RAM disk 25 26 Older kernels had /dev/ramdisk (1, 1) here. 27 /dev/initrd refers to a RAM disk which was preloaded 28 by the boot loader; newer kernels use /dev/ram0 for 29 the initrd. 30 31 2 char Pseudo-TTY masters 32 0 = /dev/ptyp0 First PTY master 33 1 = /dev/ptyp1 Second PTY master 34 ... 35 255 = /dev/ptyef 256th PTY master 36 37 Pseudo-tty's are named as follows: 38 * Masters are "pty", slaves are "tty"; 39 * the fourth letter is one of pqrstuvwxyzabcde indicating 40 the 1st through 16th series of 16 pseudo-ttys each, and 41 * the fifth letter is one of 0123456789abcdef indicating 42 the position within the series. 43 44 These are the old-style (BSD) PTY devices; Unix98 45 devices are on major 128 and above and use the PTY 46 master multiplex (/dev/ptmx) to acquire a PTY on 47 demand. 48 49 2 block Floppy disks 50 0 = /dev/fd0 Controller 0, drive 0, autodetect 51 1 = /dev/fd1 Controller 0, drive 1, autodetect 52 2 = /dev/fd2 Controller 0, drive 2, autodetect 53 3 = /dev/fd3 Controller 0, drive 3, autodetect 54 128 = /dev/fd4 Controller 1, drive 0, autodetect 55 129 = /dev/fd5 Controller 1, drive 1, autodetect 56 130 = /dev/fd6 Controller 1, drive 2, autodetect 57 131 = /dev/fd7 Controller 1, drive 3, autodetect 58 59 To specify format, add to the autodetect device number: 60 0 = /dev/fd? Autodetect format 61 4 = /dev/fd?d360 5.25" 360K in a 360K drive(1) 62 20 = /dev/fd?h360 5.25" 360K in a 1200K drive(1) 63 48 = /dev/fd?h410 5.25" 410K in a 1200K drive 64 64 = /dev/fd?h420 5.25" 420K in a 1200K drive 65 24 = /dev/fd?h720 5.25" 720K in a 1200K drive 66 80 = /dev/fd?h880 5.25" 880K in a 1200K drive(1) 67 8 = /dev/fd?h1200 5.25" 1200K in a 1200K drive(1) 68 40 = /dev/fd?h1440 5.25" 1440K in a 1200K drive(1) 69 56 = /dev/fd?h1476 5.25" 1476K in a 1200K drive 70 72 = /dev/fd?h1494 5.25" 1494K in a 1200K drive 71 92 = /dev/fd?h1600 5.25" 1600K in a 1200K drive(1) 72 73 12 = /dev/fd?u360 3.5" 360K Double Density(2) 74 16 = /dev/fd?u720 3.5" 720K Double Density(1) 75 120 = /dev/fd?u800 3.5" 800K Double Density(2) 76 52 = /dev/fd?u820 3.5" 820K Double Density 77 68 = /dev/fd?u830 3.5" 830K Double Density 78 84 = /dev/fd?u1040 3.5" 1040K Double Density(1) 79 88 = /dev/fd?u1120 3.5" 1120K Double Density(1) 80 28 = /dev/fd?u1440 3.5" 1440K High Density(1) 81 124 = /dev/fd?u1600 3.5" 1600K High Density(1) 82 44 = /dev/fd?u1680 3.5" 1680K High Density(3) 83 60 = /dev/fd?u1722 3.5" 1722K High Density 84 76 = /dev/fd?u1743 3.5" 1743K High Density 85 96 = /dev/fd?u1760 3.5" 1760K High Density 86 116 = /dev/fd?u1840 3.5" 1840K High Density(3) 87 100 = /dev/fd?u1920 3.5" 1920K High Density(1) 88 32 = /dev/fd?u2880 3.5" 2880K Extra Density(1) 89 104 = /dev/fd?u3200 3.5" 3200K Extra Density 90 108 = /dev/fd?u3520 3.5" 3520K Extra Density 91 112 = /dev/fd?u3840 3.5" 3840K Extra Density(1) 92 93 36 = /dev/fd?CompaQ Compaq 2880K drive; obsolete? 94 95 (1) Autodetectable format 96 (2) Autodetectable format in a Double Density (720K) drive only 97 (3) Autodetectable format in a High Density (1440K) drive only 98 99 NOTE: The letter in the device name (d, q, h or u) 100 signifies the type of drive: 5.25" Double Density (d), 101 5.25" Quad Density (q), 5.25" High Density (h) or 3.5" 102 (any model, u). The use of the capital letters D, H 103 and E for the 3.5" models have been deprecated, since 104 the drive type is insignificant for these devices. 105 106 3 char Pseudo-TTY slaves 107 0 = /dev/ttyp0 First PTY slave 108 1 = /dev/ttyp1 Second PTY slave 109 ... 110 255 = /dev/ttyef 256th PTY slave 111 112 These are the old-style (BSD) PTY devices; Unix98 113 devices are on major 136 and above. 114 115 3 block First MFM, RLL and IDE hard disk/CD-ROM interface 116 0 = /dev/hda Master: whole disk (or CD-ROM) 117 64 = /dev/hdb Slave: whole disk (or CD-ROM) 118 119 For partitions, add to the whole disk device number: 120 0 = /dev/hd? Whole disk 121 1 = /dev/hd?1 First partition 122 2 = /dev/hd?2 Second partition 123 ... 124 63 = /dev/hd?63 63rd partition 125 126 For Linux/i386, partitions 1-4 are the primary 127 partitions, and 5 and above are logical partitions. 128 Other versions of Linux use partitioning schemes 129 appropriate to their respective architectures. 130 131 4 char TTY devices 132 0 = /dev/tty0 Current virtual console 133 134 1 = /dev/tty1 First virtual console 135 ... 136 63 = /dev/tty63 63rd virtual console 137 64 = /dev/ttyS0 First UART serial port 138 ... 139 255 = /dev/ttyS191 192nd UART serial port 140 141 UART serial ports refer to 8250/16450/16550 series devices. 142 143 Older versions of the Linux kernel used this major 144 number for BSD PTY devices. As of Linux 2.1.115, this 145 is no longer supported. Use major numbers 2 and 3. 146 147 4 block Aliases for dynamically allocated major devices to be used 148 when its not possible to create the real device nodes 149 because the root filesystem is mounted read-only. 150 151 0 = /dev/root 152 153 5 char Alternate TTY devices 154 0 = /dev/tty Current TTY device 155 1 = /dev/console System console 156 2 = /dev/ptmx PTY master multiplex 157 3 = /dev/ttyprintk User messages via printk TTY device 158 64 = /dev/cua0 Callout device for ttyS0 159 ... 160 255 = /dev/cua191 Callout device for ttyS191 161 162 (5,1) is /dev/console starting with Linux 2.1.71. See 163 the section on terminal devices for more information 164 on /dev/console. 165 166 6 char Parallel printer devices 167 0 = /dev/lp0 Parallel printer on parport0 168 1 = /dev/lp1 Parallel printer on parport1 169 ... 170 171 Current Linux kernels no longer have a fixed mapping 172 between parallel ports and I/O addresses. Instead, 173 they are redirected through the parport multiplex layer. 174 175 7 char Virtual console capture devices 176 0 = /dev/vcs Current vc text contents 177 1 = /dev/vcs1 tty1 text contents 178 ... 179 63 = /dev/vcs63 tty63 text contents 180 128 = /dev/vcsa Current vc text/attribute contents 181 129 = /dev/vcsa1 tty1 text/attribute contents 182 ... 183 191 = /dev/vcsa63 tty63 text/attribute contents 184 185 NOTE: These devices permit both read and write access. 186 187 7 block Loopback devices 188 0 = /dev/loop0 First loop device 189 1 = /dev/loop1 Second loop device 190 ... 191 192 The loop devices are used to mount filesystems not 193 associated with block devices. The binding to the 194 loop devices is handled by mount(8) or losetup(8). 195 196 8 block SCSI disk devices (0-15) 197 0 = /dev/sda First SCSI disk whole disk 198 16 = /dev/sdb Second SCSI disk whole disk 199 32 = /dev/sdc Third SCSI disk whole disk 200 ... 201 240 = /dev/sdp Sixteenth SCSI disk whole disk 202 203 Partitions are handled in the same way as for IDE 204 disks (see major number 3) except that the limit on 205 partitions is 15. 206 207 9 char SCSI tape devices 208 0 = /dev/st0 First SCSI tape, mode 0 209 1 = /dev/st1 Second SCSI tape, mode 0 210 ... 211 32 = /dev/st0l First SCSI tape, mode 1 212 33 = /dev/st1l Second SCSI tape, mode 1 213 ... 214 64 = /dev/st0m First SCSI tape, mode 2 215 65 = /dev/st1m Second SCSI tape, mode 2 216 ... 217 96 = /dev/st0a First SCSI tape, mode 3 218 97 = /dev/st1a Second SCSI tape, mode 3 219 ... 220 128 = /dev/nst0 First SCSI tape, mode 0, no rewind 221 129 = /dev/nst1 Second SCSI tape, mode 0, no rewind 222 ... 223 160 = /dev/nst0l First SCSI tape, mode 1, no rewind 224 161 = /dev/nst1l Second SCSI tape, mode 1, no rewind 225 ... 226 192 = /dev/nst0m First SCSI tape, mode 2, no rewind 227 193 = /dev/nst1m Second SCSI tape, mode 2, no rewind 228 ... 229 224 = /dev/nst0a First SCSI tape, mode 3, no rewind 230 225 = /dev/nst1a Second SCSI tape, mode 3, no rewind 231 ... 232 233 "No rewind" refers to the omission of the default 234 automatic rewind on device close. The MTREW or MTOFFL 235 ioctl()'s can be used to rewind the tape regardless of 236 the device used to access it. 237 238 9 block Metadisk (RAID) devices 239 0 = /dev/md0 First metadisk group 240 1 = /dev/md1 Second metadisk group 241 ... 242 243 The metadisk driver is used to span a 244 filesystem across multiple physical disks. 245 246 10 char Non-serial mice, misc features 247 0 = /dev/logibm Logitech bus mouse 248 1 = /dev/psaux PS/2-style mouse port 249 2 = /dev/inportbm Microsoft Inport bus mouse 250 3 = /dev/atibm ATI XL bus mouse 251 4 = /dev/jbm J-mouse 252 4 = /dev/amigamouse Amiga mouse (68k/Amiga) 253 5 = /dev/atarimouse Atari mouse 254 6 = /dev/sunmouse Sun mouse 255 7 = /dev/amigamouse1 Second Amiga mouse 256 8 = /dev/smouse Simple serial mouse driver 257 9 = /dev/pc110pad IBM PC-110 digitizer pad 258 10 = /dev/adbmouse Apple Desktop Bus mouse 259 11 = /dev/vrtpanel Vr41xx embedded touch panel 260 13 = /dev/vpcmouse Connectix Virtual PC Mouse 261 14 = /dev/touchscreen/ucb1x00 UCB 1x00 touchscreen 262 15 = /dev/touchscreen/mk712 MK712 touchscreen 263 128 = /dev/beep Fancy beep device 264 129 = 265 130 = /dev/watchdog Watchdog timer port 266 131 = /dev/temperature Machine internal temperature 267 132 = /dev/hwtrap Hardware fault trap 268 133 = /dev/exttrp External device trap 269 134 = /dev/apm_bios Advanced Power Management BIOS 270 135 = /dev/rtc Real Time Clock 271 137 = /dev/vhci Bluetooth virtual HCI driver 272 139 = /dev/openprom SPARC OpenBoot PROM 273 140 = /dev/relay8 Berkshire Products Octal relay card 274 141 = /dev/relay16 Berkshire Products ISO-16 relay card 275 142 = 276 143 = /dev/pciconf PCI configuration space 277 144 = /dev/nvram Non-volatile configuration RAM 278 145 = /dev/hfmodem Soundcard shortwave modem control 279 146 = /dev/graphics Linux/SGI graphics device 280 147 = /dev/opengl Linux/SGI OpenGL pipe 281 148 = /dev/gfx Linux/SGI graphics effects device 282 149 = /dev/input/mouse Linux/SGI Irix emulation mouse 283 150 = /dev/input/keyboard Linux/SGI Irix emulation keyboard 284 151 = /dev/led Front panel LEDs 285 152 = /dev/kpoll Kernel Poll Driver 286 153 = /dev/mergemem Memory merge device 287 154 = /dev/pmu Macintosh PowerBook power manager 288 155 = /dev/isictl MultiTech ISICom serial control 289 156 = /dev/lcd Front panel LCD display 290 157 = /dev/ac Applicom Intl Profibus card 291 158 = /dev/nwbutton Netwinder external button 292 159 = /dev/nwdebug Netwinder debug interface 293 160 = /dev/nwflash Netwinder flash memory 294 161 = /dev/userdma User-space DMA access 295 162 = /dev/smbus System Management Bus 296 163 = /dev/lik Logitech Internet Keyboard 297 164 = /dev/ipmo Intel Intelligent Platform Management 298 165 = /dev/vmmon VMware virtual machine monitor 299 166 = /dev/i2o/ctl I2O configuration manager 300 167 = /dev/specialix_sxctl Specialix serial control 301 168 = /dev/tcldrv Technology Concepts serial control 302 169 = /dev/specialix_rioctl Specialix RIO serial control 303 170 = /dev/thinkpad/thinkpad IBM Thinkpad devices 304 171 = /dev/srripc QNX4 API IPC manager 305 172 = /dev/usemaclone Semaphore clone device 306 173 = /dev/ipmikcs Intelligent Platform Management 307 174 = /dev/uctrl SPARCbook 3 microcontroller 308 175 = /dev/agpgart AGP Graphics Address Remapping Table 309 176 = /dev/gtrsc Gorgy Timing radio clock 310 177 = /dev/cbm Serial CBM bus 311 178 = /dev/jsflash JavaStation OS flash SIMM 312 179 = /dev/xsvc High-speed shared-mem/semaphore service 313 180 = /dev/vrbuttons Vr41xx button input device 314 181 = /dev/toshiba Toshiba laptop SMM support 315 182 = /dev/perfctr Performance-monitoring counters 316 183 = /dev/hwrng Generic random number generator 317 184 = /dev/cpu/microcode CPU microcode update interface 318 186 = /dev/atomicps Atomic shapshot of process state data 319 187 = /dev/irnet IrNET device 320 188 = /dev/smbusbios SMBus BIOS 321 189 = /dev/ussp_ctl User space serial port control 322 190 = /dev/crash Mission Critical Linux crash dump facility 323 191 = /dev/pcl181 <information missing> 324 192 = /dev/nas_xbus NAS xbus LCD/buttons access 325 193 = /dev/d7s SPARC 7-segment display 326 194 = /dev/zkshim Zero-Knowledge network shim control 327 195 = /dev/elographics/e2201 Elographics touchscreen E271-2201 328 196 = /dev/vfio/vfio VFIO userspace driver interface 329 197 = /dev/pxa3xx-gcu PXA3xx graphics controller unit driver 330 198 = /dev/sexec Signed executable interface 331 199 = /dev/scanners/cuecat :CueCat barcode scanner 332 200 = /dev/net/tun TAP/TUN network device 333 201 = /dev/button/gulpb Transmeta GULP-B buttons 334 202 = /dev/emd/ctl Enhanced Metadisk RAID (EMD) control 335 203 = /dev/cuse Cuse (character device in user-space) 336 204 = /dev/video/em8300 EM8300 DVD decoder control 337 205 = /dev/video/em8300_mv EM8300 DVD decoder video 338 206 = /dev/video/em8300_ma EM8300 DVD decoder audio 339 207 = /dev/video/em8300_sp EM8300 DVD decoder subpicture 340 208 = /dev/compaq/cpqphpc Compaq PCI Hot Plug Controller 341 209 = /dev/compaq/cpqrid Compaq Remote Insight Driver 342 210 = /dev/impi/bt IMPI coprocessor block transfer 343 211 = /dev/impi/smic IMPI coprocessor stream interface 344 212 = /dev/watchdogs/0 First watchdog device 345 213 = /dev/watchdogs/1 Second watchdog device 346 214 = /dev/watchdogs/2 Third watchdog device 347 215 = /dev/watchdogs/3 Fourth watchdog device 348 216 = /dev/fujitsu/apanel Fujitsu/Siemens application panel 349 217 = /dev/ni/natmotn National Instruments Motion 350 218 = /dev/kchuid Inter-process chuid control 351 219 = /dev/modems/mwave MWave modem firmware upload 352 220 = /dev/mptctl Message passing technology (MPT) control 353 221 = /dev/mvista/hssdsi Montavista PICMG hot swap system driver 354 222 = /dev/mvista/hasi Montavista PICMG high availability 355 223 = /dev/input/uinput User level driver support for input 356 224 = /dev/tpm TCPA TPM driver 357 225 = /dev/pps Pulse Per Second driver 358 226 = /dev/systrace Systrace device 359 227 = /dev/mcelog X86_64 Machine Check Exception driver 360 228 = /dev/hpet HPET driver 361 229 = /dev/fuse Fuse (virtual filesystem in user-space) 362 230 = /dev/midishare MidiShare driver 363 231 = /dev/snapshot System memory snapshot device 364 232 = /dev/kvm Kernel-based virtual machine (hardware virtualization extensions) 365 233 = /dev/kmview View-OS A process with a view 366 234 = /dev/btrfs-control Btrfs control device 367 235 = /dev/autofs Autofs control device 368 236 = /dev/mapper/control Device-Mapper control device 369 237 = /dev/loop-control Loopback control device 370 238 = /dev/vhost-net Host kernel accelerator for virtio net 371 239 = /dev/uhid User-space I/O driver support for HID subsystem 372 240 = /dev/userio Serio driver testing device 373 241 = /dev/vhost-vsock Host kernel driver for virtio vsock 374 375 242-254 Reserved for local use 376 255 Reserved for MISC_DYNAMIC_MINOR 377 378 11 char Raw keyboard device (Linux/SPARC only) 379 0 = /dev/kbd Raw keyboard device 380 381 11 char Serial Mux device (Linux/PA-RISC only) 382 0 = /dev/ttyB0 First mux port 383 1 = /dev/ttyB1 Second mux port 384 ... 385 386 11 block SCSI CD-ROM devices 387 0 = /dev/scd0 First SCSI CD-ROM 388 1 = /dev/scd1 Second SCSI CD-ROM 389 ... 390 391 The prefix /dev/sr (instead of /dev/scd) has been deprecated. 392 393 12 char QIC-02 tape 394 2 = /dev/ntpqic11 QIC-11, no rewind-on-close 395 3 = /dev/tpqic11 QIC-11, rewind-on-close 396 4 = /dev/ntpqic24 QIC-24, no rewind-on-close 397 5 = /dev/tpqic24 QIC-24, rewind-on-close 398 6 = /dev/ntpqic120 QIC-120, no rewind-on-close 399 7 = /dev/tpqic120 QIC-120, rewind-on-close 400 8 = /dev/ntpqic150 QIC-150, no rewind-on-close 401 9 = /dev/tpqic150 QIC-150, rewind-on-close 402 403 The device names specified are proposed -- if there 404 are "standard" names for these devices, please let me know. 405 406 12 block 407 408 13 char Input core 409 0 = /dev/input/js0 First joystick 410 1 = /dev/input/js1 Second joystick 411 ... 412 32 = /dev/input/mouse0 First mouse 413 33 = /dev/input/mouse1 Second mouse 414 ... 415 63 = /dev/input/mice Unified mouse 416 64 = /dev/input/event0 First event queue 417 65 = /dev/input/event1 Second event queue 418 ... 419 420 Each device type has 5 bits (32 minors). 421 422 13 block Previously used for the XT disk (/dev/xdN) 423 Deleted in kernel v3.9. 424 425 14 char Open Sound System (OSS) 426 0 = /dev/mixer Mixer control 427 1 = /dev/sequencer Audio sequencer 428 2 = /dev/midi00 First MIDI port 429 3 = /dev/dsp Digital audio 430 4 = /dev/audio Sun-compatible digital audio 431 6 = 432 7 = /dev/audioctl SPARC audio control device 433 8 = /dev/sequencer2 Sequencer -- alternate device 434 16 = /dev/mixer1 Second soundcard mixer control 435 17 = /dev/patmgr0 Sequencer patch manager 436 18 = /dev/midi01 Second MIDI port 437 19 = /dev/dsp1 Second soundcard digital audio 438 20 = /dev/audio1 Second soundcard Sun digital audio 439 33 = /dev/patmgr1 Sequencer patch manager 440 34 = /dev/midi02 Third MIDI port 441 50 = /dev/midi03 Fourth MIDI port 442 443 14 block 444 445 15 char Joystick 446 0 = /dev/js0 First analog joystick 447 1 = /dev/js1 Second analog joystick 448 ... 449 128 = /dev/djs0 First digital joystick 450 129 = /dev/djs1 Second digital joystick 451 ... 452 15 block Sony CDU-31A/CDU-33A CD-ROM 453 0 = /dev/sonycd Sony CDU-31a CD-ROM 454 455 16 char Non-SCSI scanners 456 0 = /dev/gs4500 Genius 4500 handheld scanner 457 458 16 block GoldStar CD-ROM 459 0 = /dev/gscd GoldStar CD-ROM 460 461 17 char OBSOLETE (was Chase serial card) 462 0 = /dev/ttyH0 First Chase port 463 1 = /dev/ttyH1 Second Chase port 464 ... 465 17 block Optics Storage CD-ROM 466 0 = /dev/optcd Optics Storage CD-ROM 467 468 18 char OBSOLETE (was Chase serial card - alternate devices) 469 0 = /dev/cuh0 Callout device for ttyH0 470 1 = /dev/cuh1 Callout device for ttyH1 471 ... 472 18 block Sanyo CD-ROM 473 0 = /dev/sjcd Sanyo CD-ROM 474 475 19 char Cyclades serial card 476 0 = /dev/ttyC0 First Cyclades port 477 ... 478 31 = /dev/ttyC31 32nd Cyclades port 479 480 19 block "Double" compressed disk 481 0 = /dev/double0 First compressed disk 482 ... 483 7 = /dev/double7 Eighth compressed disk 484 128 = /dev/cdouble0 Mirror of first compressed disk 485 ... 486 135 = /dev/cdouble7 Mirror of eighth compressed disk 487 488 See the Double documentation for the meaning of the 489 mirror devices. 490 491 20 char Cyclades serial card - alternate devices 492 0 = /dev/cub0 Callout device for ttyC0 493 ... 494 31 = /dev/cub31 Callout device for ttyC31 495 496 20 block Hitachi CD-ROM (under development) 497 0 = /dev/hitcd Hitachi CD-ROM 498 499 21 char Generic SCSI access 500 0 = /dev/sg0 First generic SCSI device 501 1 = /dev/sg1 Second generic SCSI device 502 ... 503 504 Most distributions name these /dev/sga, /dev/sgb...; 505 this sets an unnecessary limit of 26 SCSI devices in 506 the system and is counter to standard Linux 507 device-naming practice. 508 509 21 block Acorn MFM hard drive interface 510 0 = /dev/mfma First MFM drive whole disk 511 64 = /dev/mfmb Second MFM drive whole disk 512 513 This device is used on the ARM-based Acorn RiscPC. 514 Partitions are handled the same way as for IDE disks 515 (see major number 3). 516 517 22 char Digiboard serial card 518 0 = /dev/ttyD0 First Digiboard port 519 1 = /dev/ttyD1 Second Digiboard port 520 ... 521 22 block Second IDE hard disk/CD-ROM interface 522 0 = /dev/hdc Master: whole disk (or CD-ROM) 523 64 = /dev/hdd Slave: whole disk (or CD-ROM) 524 525 Partitions are handled the same way as for the first 526 interface (see major number 3). 527 528 23 char Digiboard serial card - alternate devices 529 0 = /dev/cud0 Callout device for ttyD0 530 1 = /dev/cud1 Callout device for ttyD1 531 ... 532 23 block Mitsumi proprietary CD-ROM 533 0 = /dev/mcd Mitsumi CD-ROM 534 535 24 char Stallion serial card 536 0 = /dev/ttyE0 Stallion port 0 card 0 537 1 = /dev/ttyE1 Stallion port 1 card 0 538 ... 539 64 = /dev/ttyE64 Stallion port 0 card 1 540 65 = /dev/ttyE65 Stallion port 1 card 1 541 ... 542 128 = /dev/ttyE128 Stallion port 0 card 2 543 129 = /dev/ttyE129 Stallion port 1 card 2 544 ... 545 192 = /dev/ttyE192 Stallion port 0 card 3 546 193 = /dev/ttyE193 Stallion port 1 card 3 547 ... 548 24 block Sony CDU-535 CD-ROM 549 0 = /dev/cdu535 Sony CDU-535 CD-ROM 550 551 25 char Stallion serial card - alternate devices 552 0 = /dev/cue0 Callout device for ttyE0 553 1 = /dev/cue1 Callout device for ttyE1 554 ... 555 64 = /dev/cue64 Callout device for ttyE64 556 65 = /dev/cue65 Callout device for ttyE65 557 ... 558 128 = /dev/cue128 Callout device for ttyE128 559 129 = /dev/cue129 Callout device for ttyE129 560 ... 561 192 = /dev/cue192 Callout device for ttyE192 562 193 = /dev/cue193 Callout device for ttyE193 563 ... 564 25 block First Matsushita (Panasonic/SoundBlaster) CD-ROM 565 0 = /dev/sbpcd0 Panasonic CD-ROM controller 0 unit 0 566 1 = /dev/sbpcd1 Panasonic CD-ROM controller 0 unit 1 567 2 = /dev/sbpcd2 Panasonic CD-ROM controller 0 unit 2 568 3 = /dev/sbpcd3 Panasonic CD-ROM controller 0 unit 3 569 570 26 char 571 572 26 block Second Matsushita (Panasonic/SoundBlaster) CD-ROM 573 0 = /dev/sbpcd4 Panasonic CD-ROM controller 1 unit 0 574 1 = /dev/sbpcd5 Panasonic CD-ROM controller 1 unit 1 575 2 = /dev/sbpcd6 Panasonic CD-ROM controller 1 unit 2 576 3 = /dev/sbpcd7 Panasonic CD-ROM controller 1 unit 3 577 578 27 char QIC-117 tape 579 0 = /dev/qft0 Unit 0, rewind-on-close 580 1 = /dev/qft1 Unit 1, rewind-on-close 581 2 = /dev/qft2 Unit 2, rewind-on-close 582 3 = /dev/qft3 Unit 3, rewind-on-close 583 4 = /dev/nqft0 Unit 0, no rewind-on-close 584 5 = /dev/nqft1 Unit 1, no rewind-on-close 585 6 = /dev/nqft2 Unit 2, no rewind-on-close 586 7 = /dev/nqft3 Unit 3, no rewind-on-close 587 16 = /dev/zqft0 Unit 0, rewind-on-close, compression 588 17 = /dev/zqft1 Unit 1, rewind-on-close, compression 589 18 = /dev/zqft2 Unit 2, rewind-on-close, compression 590 19 = /dev/zqft3 Unit 3, rewind-on-close, compression 591 20 = /dev/nzqft0 Unit 0, no rewind-on-close, compression 592 21 = /dev/nzqft1 Unit 1, no rewind-on-close, compression 593 22 = /dev/nzqft2 Unit 2, no rewind-on-close, compression 594 23 = /dev/nzqft3 Unit 3, no rewind-on-close, compression 595 32 = /dev/rawqft0 Unit 0, rewind-on-close, no file marks 596 33 = /dev/rawqft1 Unit 1, rewind-on-close, no file marks 597 34 = /dev/rawqft2 Unit 2, rewind-on-close, no file marks 598 35 = /dev/rawqft3 Unit 3, rewind-on-close, no file marks 599 36 = /dev/nrawqft0 Unit 0, no rewind-on-close, no file marks 600 37 = /dev/nrawqft1 Unit 1, no rewind-on-close, no file marks 601 38 = /dev/nrawqft2 Unit 2, no rewind-on-close, no file marks 602 39 = /dev/nrawqft3 Unit 3, no rewind-on-close, no file marks 603 604 27 block Third Matsushita (Panasonic/SoundBlaster) CD-ROM 605 0 = /dev/sbpcd8 Panasonic CD-ROM controller 2 unit 0 606 1 = /dev/sbpcd9 Panasonic CD-ROM controller 2 unit 1 607 2 = /dev/sbpcd10 Panasonic CD-ROM controller 2 unit 2 608 3 = /dev/sbpcd11 Panasonic CD-ROM controller 2 unit 3 609 610 28 char Stallion serial card - card programming 611 0 = /dev/staliomem0 First Stallion card I/O memory 612 1 = /dev/staliomem1 Second Stallion card I/O memory 613 2 = /dev/staliomem2 Third Stallion card I/O memory 614 3 = /dev/staliomem3 Fourth Stallion card I/O memory 615 616 28 char Atari SLM ACSI laser printer (68k/Atari) 617 0 = /dev/slm0 First SLM laser printer 618 1 = /dev/slm1 Second SLM laser printer 619 ... 620 28 block Fourth Matsushita (Panasonic/SoundBlaster) CD-ROM 621 0 = /dev/sbpcd12 Panasonic CD-ROM controller 3 unit 0 622 1 = /dev/sbpcd13 Panasonic CD-ROM controller 3 unit 1 623 2 = /dev/sbpcd14 Panasonic CD-ROM controller 3 unit 2 624 3 = /dev/sbpcd15 Panasonic CD-ROM controller 3 unit 3 625 626 28 block ACSI disk (68k/Atari) 627 0 = /dev/ada First ACSI disk whole disk 628 16 = /dev/adb Second ACSI disk whole disk 629 32 = /dev/adc Third ACSI disk whole disk 630 ... 631 240 = /dev/adp 16th ACSI disk whole disk 632 633 Partitions are handled in the same way as for IDE 634 disks (see major number 3) except that the limit on 635 partitions is 15, like SCSI. 636 637 29 char Universal frame buffer 638 0 = /dev/fb0 First frame buffer 639 1 = /dev/fb1 Second frame buffer 640 ... 641 31 = /dev/fb31 32nd frame buffer 642 643 29 block Aztech/Orchid/Okano/Wearnes CD-ROM 644 0 = /dev/aztcd Aztech CD-ROM 645 646 30 char iBCS-2 compatibility devices 647 0 = /dev/socksys Socket access 648 1 = /dev/spx SVR3 local X interface 649 32 = /dev/inet/ip Network access 650 33 = /dev/inet/icmp 651 34 = /dev/inet/ggp 652 35 = /dev/inet/ipip 653 36 = /dev/inet/tcp 654 37 = /dev/inet/egp 655 38 = /dev/inet/pup 656 39 = /dev/inet/udp 657 40 = /dev/inet/idp 658 41 = /dev/inet/rawip 659 660 Additionally, iBCS-2 requires the following links: 661 662 /dev/ip -> /dev/inet/ip 663 /dev/icmp -> /dev/inet/icmp 664 /dev/ggp -> /dev/inet/ggp 665 /dev/ipip -> /dev/inet/ipip 666 /dev/tcp -> /dev/inet/tcp 667 /dev/egp -> /dev/inet/egp 668 /dev/pup -> /dev/inet/pup 669 /dev/udp -> /dev/inet/udp 670 /dev/idp -> /dev/inet/idp 671 /dev/rawip -> /dev/inet/rawip 672 /dev/inet/arp -> /dev/inet/udp 673 /dev/inet/rip -> /dev/inet/udp 674 /dev/nfsd -> /dev/socksys 675 /dev/X0R -> /dev/null (? apparently not required ?) 676 677 30 block Philips LMS CM-205 CD-ROM 678 0 = /dev/cm205cd Philips LMS CM-205 CD-ROM 679 680 /dev/lmscd is an older name for this device. This 681 driver does not work with the CM-205MS CD-ROM. 682 683 31 char MPU-401 MIDI 684 0 = /dev/mpu401data MPU-401 data port 685 1 = /dev/mpu401stat MPU-401 status port 686 687 31 block ROM/flash memory card 688 0 = /dev/rom0 First ROM card (rw) 689 ... 690 7 = /dev/rom7 Eighth ROM card (rw) 691 8 = /dev/rrom0 First ROM card (ro) 692 ... 693 15 = /dev/rrom7 Eighth ROM card (ro) 694 16 = /dev/flash0 First flash memory card (rw) 695 ... 696 23 = /dev/flash7 Eighth flash memory card (rw) 697 24 = /dev/rflash0 First flash memory card (ro) 698 ... 699 31 = /dev/rflash7 Eighth flash memory card (ro) 700 701 The read-write (rw) devices support back-caching 702 written data in RAM, as well as writing to flash RAM 703 devices. The read-only devices (ro) support reading 704 only. 705 706 32 char Specialix serial card 707 0 = /dev/ttyX0 First Specialix port 708 1 = /dev/ttyX1 Second Specialix port 709 ... 710 32 block Philips LMS CM-206 CD-ROM 711 0 = /dev/cm206cd Philips LMS CM-206 CD-ROM 712 713 33 char Specialix serial card - alternate devices 714 0 = /dev/cux0 Callout device for ttyX0 715 1 = /dev/cux1 Callout device for ttyX1 716 ... 717 33 block Third IDE hard disk/CD-ROM interface 718 0 = /dev/hde Master: whole disk (or CD-ROM) 719 64 = /dev/hdf Slave: whole disk (or CD-ROM) 720 721 Partitions are handled the same way as for the first 722 interface (see major number 3). 723 724 34 char Z8530 HDLC driver 725 0 = /dev/scc0 First Z8530, first port 726 1 = /dev/scc1 First Z8530, second port 727 2 = /dev/scc2 Second Z8530, first port 728 3 = /dev/scc3 Second Z8530, second port 729 ... 730 731 In a previous version these devices were named 732 /dev/sc1 for /dev/scc0, /dev/sc2 for /dev/scc1, and so 733 on. 734 735 34 block Fourth IDE hard disk/CD-ROM interface 736 0 = /dev/hdg Master: whole disk (or CD-ROM) 737 64 = /dev/hdh Slave: whole disk (or CD-ROM) 738 739 Partitions are handled the same way as for the first 740 interface (see major number 3). 741 742 35 char tclmidi MIDI driver 743 0 = /dev/midi0 First MIDI port, kernel timed 744 1 = /dev/midi1 Second MIDI port, kernel timed 745 2 = /dev/midi2 Third MIDI port, kernel timed 746 3 = /dev/midi3 Fourth MIDI port, kernel timed 747 64 = /dev/rmidi0 First MIDI port, untimed 748 65 = /dev/rmidi1 Second MIDI port, untimed 749 66 = /dev/rmidi2 Third MIDI port, untimed 750 67 = /dev/rmidi3 Fourth MIDI port, untimed 751 128 = /dev/smpte0 First MIDI port, SMPTE timed 752 129 = /dev/smpte1 Second MIDI port, SMPTE timed 753 130 = /dev/smpte2 Third MIDI port, SMPTE timed 754 131 = /dev/smpte3 Fourth MIDI port, SMPTE timed 755 756 35 block Slow memory ramdisk 757 0 = /dev/slram Slow memory ramdisk 758 759 36 char Netlink support 760 0 = /dev/route Routing, device updates, kernel to user 761 1 = /dev/skip enSKIP security cache control 762 3 = /dev/fwmonitor Firewall packet copies 763 16 = /dev/tap0 First Ethertap device 764 ... 765 31 = /dev/tap15 16th Ethertap device 766 767 36 block OBSOLETE (was MCA ESDI hard disk) 768 769 37 char IDE tape 770 0 = /dev/ht0 First IDE tape 771 1 = /dev/ht1 Second IDE tape 772 ... 773 128 = /dev/nht0 First IDE tape, no rewind-on-close 774 129 = /dev/nht1 Second IDE tape, no rewind-on-close 775 ... 776 777 Currently, only one IDE tape drive is supported. 778 779 37 block Zorro II ramdisk 780 0 = /dev/z2ram Zorro II ramdisk 781 782 38 char Myricom PCI Myrinet board 783 0 = /dev/mlanai0 First Myrinet board 784 1 = /dev/mlanai1 Second Myrinet board 785 ... 786 787 This device is used for status query, board control 788 and "user level packet I/O." This board is also 789 accessible as a standard networking "eth" device. 790 791 38 block OBSOLETE (was Linux/AP+) 792 793 39 char ML-16P experimental I/O board 794 0 = /dev/ml16pa-a0 First card, first analog channel 795 1 = /dev/ml16pa-a1 First card, second analog channel 796 ... 797 15 = /dev/ml16pa-a15 First card, 16th analog channel 798 16 = /dev/ml16pa-d First card, digital lines 799 17 = /dev/ml16pa-c0 First card, first counter/timer 800 18 = /dev/ml16pa-c1 First card, second counter/timer 801 19 = /dev/ml16pa-c2 First card, third counter/timer 802 32 = /dev/ml16pb-a0 Second card, first analog channel 803 33 = /dev/ml16pb-a1 Second card, second analog channel 804 ... 805 47 = /dev/ml16pb-a15 Second card, 16th analog channel 806 48 = /dev/ml16pb-d Second card, digital lines 807 49 = /dev/ml16pb-c0 Second card, first counter/timer 808 50 = /dev/ml16pb-c1 Second card, second counter/timer 809 51 = /dev/ml16pb-c2 Second card, third counter/timer 810 ... 811 39 block 812 813 40 char 814 815 40 block 816 817 41 char Yet Another Micro Monitor 818 0 = /dev/yamm Yet Another Micro Monitor 819 820 41 block 821 822 42 char Demo/sample use 823 824 42 block Demo/sample use 825 826 This number is intended for use in sample code, as 827 well as a general "example" device number. It 828 should never be used for a device driver that is being 829 distributed; either obtain an official number or use 830 the local/experimental range. The sudden addition or 831 removal of a driver with this number should not cause 832 ill effects to the system (bugs excepted.) 833 834 IN PARTICULAR, ANY DISTRIBUTION WHICH CONTAINS A 835 DEVICE DRIVER USING MAJOR NUMBER 42 IS NONCOMPLIANT. 836 837 43 char isdn4linux virtual modem 838 0 = /dev/ttyI0 First virtual modem 839 ... 840 63 = /dev/ttyI63 64th virtual modem 841 842 43 block Network block devices 843 0 = /dev/nb0 First network block device 844 1 = /dev/nb1 Second network block device 845 ... 846 847 Network Block Device is somehow similar to loopback 848 devices: If you read from it, it sends packet across 849 network asking server for data. If you write to it, it 850 sends packet telling server to write. It could be used 851 to mounting filesystems over the net, swapping over 852 the net, implementing block device in userland etc. 853 854 44 char isdn4linux virtual modem - alternate devices 855 0 = /dev/cui0 Callout device for ttyI0 856 ... 857 63 = /dev/cui63 Callout device for ttyI63 858 859 44 block Flash Translation Layer (FTL) filesystems 860 0 = /dev/ftla FTL on first Memory Technology Device 861 16 = /dev/ftlb FTL on second Memory Technology Device 862 32 = /dev/ftlc FTL on third Memory Technology Device 863 ... 864 240 = /dev/ftlp FTL on 16th Memory Technology Device 865 866 Partitions are handled in the same way as for IDE 867 disks (see major number 3) except that the partition 868 limit is 15 rather than 63 per disk (same as SCSI.) 869 870 45 char isdn4linux ISDN BRI driver 871 0 = /dev/isdn0 First virtual B channel raw data 872 ... 873 63 = /dev/isdn63 64th virtual B channel raw data 874 64 = /dev/isdnctrl0 First channel control/debug 875 ... 876 127 = /dev/isdnctrl63 64th channel control/debug 877 878 128 = /dev/ippp0 First SyncPPP device 879 ... 880 191 = /dev/ippp63 64th SyncPPP device 881 882 255 = /dev/isdninfo ISDN monitor interface 883 884 45 block Parallel port IDE disk devices 885 0 = /dev/pda First parallel port IDE disk 886 16 = /dev/pdb Second parallel port IDE disk 887 32 = /dev/pdc Third parallel port IDE disk 888 48 = /dev/pdd Fourth parallel port IDE disk 889 890 Partitions are handled in the same way as for IDE 891 disks (see major number 3) except that the partition 892 limit is 15 rather than 63 per disk. 893 894 46 char Comtrol Rocketport serial card 895 0 = /dev/ttyR0 First Rocketport port 896 1 = /dev/ttyR1 Second Rocketport port 897 ... 898 46 block Parallel port ATAPI CD-ROM devices 899 0 = /dev/pcd0 First parallel port ATAPI CD-ROM 900 1 = /dev/pcd1 Second parallel port ATAPI CD-ROM 901 2 = /dev/pcd2 Third parallel port ATAPI CD-ROM 902 3 = /dev/pcd3 Fourth parallel port ATAPI CD-ROM 903 904 47 char Comtrol Rocketport serial card - alternate devices 905 0 = /dev/cur0 Callout device for ttyR0 906 1 = /dev/cur1 Callout device for ttyR1 907 ... 908 47 block Parallel port ATAPI disk devices 909 0 = /dev/pf0 First parallel port ATAPI disk 910 1 = /dev/pf1 Second parallel port ATAPI disk 911 2 = /dev/pf2 Third parallel port ATAPI disk 912 3 = /dev/pf3 Fourth parallel port ATAPI disk 913 914 This driver is intended for floppy disks and similar 915 devices and hence does not support partitioning. 916 917 48 char SDL RISCom serial card 918 0 = /dev/ttyL0 First RISCom port 919 1 = /dev/ttyL1 Second RISCom port 920 ... 921 48 block Mylex DAC960 PCI RAID controller; first controller 922 0 = /dev/rd/c0d0 First disk, whole disk 923 8 = /dev/rd/c0d1 Second disk, whole disk 924 ... 925 248 = /dev/rd/c0d31 32nd disk, whole disk 926 927 For partitions add: 928 0 = /dev/rd/c?d? Whole disk 929 1 = /dev/rd/c?d?p1 First partition 930 ... 931 7 = /dev/rd/c?d?p7 Seventh partition 932 933 49 char SDL RISCom serial card - alternate devices 934 0 = /dev/cul0 Callout device for ttyL0 935 1 = /dev/cul1 Callout device for ttyL1 936 ... 937 49 block Mylex DAC960 PCI RAID controller; second controller 938 0 = /dev/rd/c1d0 First disk, whole disk 939 8 = /dev/rd/c1d1 Second disk, whole disk 940 ... 941 248 = /dev/rd/c1d31 32nd disk, whole disk 942 943 Partitions are handled as for major 48. 944 945 50 char Reserved for GLINT 946 947 50 block Mylex DAC960 PCI RAID controller; third controller 948 0 = /dev/rd/c2d0 First disk, whole disk 949 8 = /dev/rd/c2d1 Second disk, whole disk 950 ... 951 248 = /dev/rd/c2d31 32nd disk, whole disk 952 953 51 char Baycom radio modem OR Radio Tech BIM-XXX-RS232 radio modem 954 0 = /dev/bc0 First Baycom radio modem 955 1 = /dev/bc1 Second Baycom radio modem 956 ... 957 51 block Mylex DAC960 PCI RAID controller; fourth controller 958 0 = /dev/rd/c3d0 First disk, whole disk 959 8 = /dev/rd/c3d1 Second disk, whole disk 960 ... 961 248 = /dev/rd/c3d31 32nd disk, whole disk 962 963 Partitions are handled as for major 48. 964 965 52 char Spellcaster DataComm/BRI ISDN card 966 0 = /dev/dcbri0 First DataComm card 967 1 = /dev/dcbri1 Second DataComm card 968 2 = /dev/dcbri2 Third DataComm card 969 3 = /dev/dcbri3 Fourth DataComm card 970 971 52 block Mylex DAC960 PCI RAID controller; fifth controller 972 0 = /dev/rd/c4d0 First disk, whole disk 973 8 = /dev/rd/c4d1 Second disk, whole disk 974 ... 975 248 = /dev/rd/c4d31 32nd disk, whole disk 976 977 Partitions are handled as for major 48. 978 979 53 char BDM interface for remote debugging MC683xx microcontrollers 980 0 = /dev/pd_bdm0 PD BDM interface on lp0 981 1 = /dev/pd_bdm1 PD BDM interface on lp1 982 2 = /dev/pd_bdm2 PD BDM interface on lp2 983 4 = /dev/icd_bdm0 ICD BDM interface on lp0 984 5 = /dev/icd_bdm1 ICD BDM interface on lp1 985 6 = /dev/icd_bdm2 ICD BDM interface on lp2 986 987 This device is used for the interfacing to the MC683xx 988 microcontrollers via Background Debug Mode by use of a 989 Parallel Port interface. PD is the Motorola Public 990 Domain Interface and ICD is the commercial interface 991 by P&E. 992 993 53 block Mylex DAC960 PCI RAID controller; sixth controller 994 0 = /dev/rd/c5d0 First disk, whole disk 995 8 = /dev/rd/c5d1 Second disk, whole disk 996 ... 997 248 = /dev/rd/c5d31 32nd disk, whole disk 998 999 Partitions are handled as for major 48. 1000 1001 54 char Electrocardiognosis Holter serial card 1002 0 = /dev/holter0 First Holter port 1003 1 = /dev/holter1 Second Holter port 1004 2 = /dev/holter2 Third Holter port 1005 1006 A custom serial card used by Electrocardiognosis SRL 1007 <mseritan@ottonel.pub.ro> to transfer data from Holter 1008 24-hour heart monitoring equipment. 1009 1010 54 block Mylex DAC960 PCI RAID controller; seventh controller 1011 0 = /dev/rd/c6d0 First disk, whole disk 1012 8 = /dev/rd/c6d1 Second disk, whole disk 1013 ... 1014 248 = /dev/rd/c6d31 32nd disk, whole disk 1015 1016 Partitions are handled as for major 48. 1017 1018 55 char DSP56001 digital signal processor 1019 0 = /dev/dsp56k First DSP56001 1020 1021 55 block Mylex DAC960 PCI RAID controller; eighth controller 1022 0 = /dev/rd/c7d0 First disk, whole disk 1023 8 = /dev/rd/c7d1 Second disk, whole disk 1024 ... 1025 248 = /dev/rd/c7d31 32nd disk, whole disk 1026 1027 Partitions are handled as for major 48. 1028 1029 56 char Apple Desktop Bus 1030 0 = /dev/adb ADB bus control 1031 1032 Additional devices will be added to this number, all 1033 starting with /dev/adb. 1034 1035 56 block Fifth IDE hard disk/CD-ROM interface 1036 0 = /dev/hdi Master: whole disk (or CD-ROM) 1037 64 = /dev/hdj Slave: whole disk (or CD-ROM) 1038 1039 Partitions are handled the same way as for the first 1040 interface (see major number 3). 1041 1042 57 char Hayes ESP serial card 1043 0 = /dev/ttyP0 First ESP port 1044 1 = /dev/ttyP1 Second ESP port 1045 ... 1046 1047 57 block Sixth IDE hard disk/CD-ROM interface 1048 0 = /dev/hdk Master: whole disk (or CD-ROM) 1049 64 = /dev/hdl Slave: whole disk (or CD-ROM) 1050 1051 Partitions are handled the same way as for the first 1052 interface (see major number 3). 1053 1054 58 char Hayes ESP serial card - alternate devices 1055 0 = /dev/cup0 Callout device for ttyP0 1056 1 = /dev/cup1 Callout device for ttyP1 1057 ... 1058 1059 58 block Reserved for logical volume manager 1060 1061 59 char sf firewall package 1062 0 = /dev/firewall Communication with sf kernel module 1063 1064 59 block Generic PDA filesystem device 1065 0 = /dev/pda0 First PDA device 1066 1 = /dev/pda1 Second PDA device 1067 ... 1068 1069 The pda devices are used to mount filesystems on 1070 remote pda's (basically slow handheld machines with 1071 proprietary OS's and limited memory and storage 1072 running small fs translation drivers) through serial / 1073 IRDA / parallel links. 1074 1075 NAMING CONFLICT -- PROPOSED REVISED NAME /dev/rpda0 etc 1076 1077 60-63 char LOCAL/EXPERIMENTAL USE 1078 1079 60-63 block LOCAL/EXPERIMENTAL USE 1080 Allocated for local/experimental use. For devices not 1081 assigned official numbers, these ranges should be 1082 used in order to avoid conflicting with future assignments. 1083 1084 64 char ENskip kernel encryption package 1085 0 = /dev/enskip Communication with ENskip kernel module 1086 1087 64 block Scramdisk/DriveCrypt encrypted devices 1088 0 = /dev/scramdisk/master Master node for ioctls 1089 1 = /dev/scramdisk/1 First encrypted device 1090 2 = /dev/scramdisk/2 Second encrypted device 1091 ... 1092 255 = /dev/scramdisk/255 255th encrypted device 1093 1094 The filename of the encrypted container and the passwords 1095 are sent via ioctls (using the sdmount tool) to the master 1096 node which then activates them via one of the 1097 /dev/scramdisk/x nodes for loop mounting (all handled 1098 through the sdmount tool). 1099 1100 Requested by: andy@scramdisklinux.org 1101 1102 65 char Sundance "plink" Transputer boards (obsolete, unused) 1103 0 = /dev/plink0 First plink device 1104 1 = /dev/plink1 Second plink device 1105 2 = /dev/plink2 Third plink device 1106 3 = /dev/plink3 Fourth plink device 1107 64 = /dev/rplink0 First plink device, raw 1108 65 = /dev/rplink1 Second plink device, raw 1109 66 = /dev/rplink2 Third plink device, raw 1110 67 = /dev/rplink3 Fourth plink device, raw 1111 128 = /dev/plink0d First plink device, debug 1112 129 = /dev/plink1d Second plink device, debug 1113 130 = /dev/plink2d Third plink device, debug 1114 131 = /dev/plink3d Fourth plink device, debug 1115 192 = /dev/rplink0d First plink device, raw, debug 1116 193 = /dev/rplink1d Second plink device, raw, debug 1117 194 = /dev/rplink2d Third plink device, raw, debug 1118 195 = /dev/rplink3d Fourth plink device, raw, debug 1119 1120 This is a commercial driver; contact James Howes 1121 <jth@prosig.demon.co.uk> for information. 1122 1123 65 block SCSI disk devices (16-31) 1124 0 = /dev/sdq 17th SCSI disk whole disk 1125 16 = /dev/sdr 18th SCSI disk whole disk 1126 32 = /dev/sds 19th SCSI disk whole disk 1127 ... 1128 240 = /dev/sdaf 32nd SCSI disk whole disk 1129 1130 Partitions are handled in the same way as for IDE 1131 disks (see major number 3) except that the limit on 1132 partitions is 15. 1133 1134 66 char YARC PowerPC PCI coprocessor card 1135 0 = /dev/yppcpci0 First YARC card 1136 1 = /dev/yppcpci1 Second YARC card 1137 ... 1138 1139 66 block SCSI disk devices (32-47) 1140 0 = /dev/sdag 33th SCSI disk whole disk 1141 16 = /dev/sdah 34th SCSI disk whole disk 1142 32 = /dev/sdai 35th SCSI disk whole disk 1143 ... 1144 240 = /dev/sdav 48nd SCSI disk whole disk 1145 1146 Partitions are handled in the same way as for IDE 1147 disks (see major number 3) except that the limit on 1148 partitions is 15. 1149 1150 67 char Coda network file system 1151 0 = /dev/cfs0 Coda cache manager 1152 1153 See http://www.coda.cs.cmu.edu for information about Coda. 1154 1155 67 block SCSI disk devices (48-63) 1156 0 = /dev/sdaw 49th SCSI disk whole disk 1157 16 = /dev/sdax 50th SCSI disk whole disk 1158 32 = /dev/sday 51st SCSI disk whole disk 1159 ... 1160 240 = /dev/sdbl 64th SCSI disk whole disk 1161 1162 Partitions are handled in the same way as for IDE 1163 disks (see major number 3) except that the limit on 1164 partitions is 15. 1165 1166 68 char CAPI 2.0 interface 1167 0 = /dev/capi20 Control device 1168 1 = /dev/capi20.00 First CAPI 2.0 application 1169 2 = /dev/capi20.01 Second CAPI 2.0 application 1170 ... 1171 20 = /dev/capi20.19 19th CAPI 2.0 application 1172 1173 ISDN CAPI 2.0 driver for use with CAPI 2.0 1174 applications; currently supports the AVM B1 card. 1175 1176 68 block SCSI disk devices (64-79) 1177 0 = /dev/sdbm 65th SCSI disk whole disk 1178 16 = /dev/sdbn 66th SCSI disk whole disk 1179 32 = /dev/sdbo 67th SCSI disk whole disk 1180 ... 1181 240 = /dev/sdcb 80th SCSI disk whole disk 1182 1183 Partitions are handled in the same way as for IDE 1184 disks (see major number 3) except that the limit on 1185 partitions is 15. 1186 1187 69 char MA16 numeric accelerator card 1188 0 = /dev/ma16 Board memory access 1189 1190 69 block SCSI disk devices (80-95) 1191 0 = /dev/sdcc 81st SCSI disk whole disk 1192 16 = /dev/sdcd 82nd SCSI disk whole disk 1193 32 = /dev/sdce 83th SCSI disk whole disk 1194 ... 1195 240 = /dev/sdcr 96th SCSI disk whole disk 1196 1197 Partitions are handled in the same way as for IDE 1198 disks (see major number 3) except that the limit on 1199 partitions is 15. 1200 1201 70 char SpellCaster Protocol Services Interface 1202 0 = /dev/apscfg Configuration interface 1203 1 = /dev/apsauth Authentication interface 1204 2 = /dev/apslog Logging interface 1205 3 = /dev/apsdbg Debugging interface 1206 64 = /dev/apsisdn ISDN command interface 1207 65 = /dev/apsasync Async command interface 1208 128 = /dev/apsmon Monitor interface 1209 1210 70 block SCSI disk devices (96-111) 1211 0 = /dev/sdcs 97th SCSI disk whole disk 1212 16 = /dev/sdct 98th SCSI disk whole disk 1213 32 = /dev/sdcu 99th SCSI disk whole disk 1214 ... 1215 240 = /dev/sddh 112nd SCSI disk whole disk 1216 1217 Partitions are handled in the same way as for IDE 1218 disks (see major number 3) except that the limit on 1219 partitions is 15. 1220 1221 71 char Computone IntelliPort II serial card 1222 0 = /dev/ttyF0 IntelliPort II board 0, port 0 1223 1 = /dev/ttyF1 IntelliPort II board 0, port 1 1224 ... 1225 63 = /dev/ttyF63 IntelliPort II board 0, port 63 1226 64 = /dev/ttyF64 IntelliPort II board 1, port 0 1227 65 = /dev/ttyF65 IntelliPort II board 1, port 1 1228 ... 1229 127 = /dev/ttyF127 IntelliPort II board 1, port 63 1230 128 = /dev/ttyF128 IntelliPort II board 2, port 0 1231 129 = /dev/ttyF129 IntelliPort II board 2, port 1 1232 ... 1233 191 = /dev/ttyF191 IntelliPort II board 2, port 63 1234 192 = /dev/ttyF192 IntelliPort II board 3, port 0 1235 193 = /dev/ttyF193 IntelliPort II board 3, port 1 1236 ... 1237 255 = /dev/ttyF255 IntelliPort II board 3, port 63 1238 1239 71 block SCSI disk devices (112-127) 1240 0 = /dev/sddi 113th SCSI disk whole disk 1241 16 = /dev/sddj 114th SCSI disk whole disk 1242 32 = /dev/sddk 115th SCSI disk whole disk 1243 ... 1244 240 = /dev/sddx 128th SCSI disk whole disk 1245 1246 Partitions are handled in the same way as for IDE 1247 disks (see major number 3) except that the limit on 1248 partitions is 15. 1249 1250 72 char Computone IntelliPort II serial card - alternate devices 1251 0 = /dev/cuf0 Callout device for ttyF0 1252 1 = /dev/cuf1 Callout device for ttyF1 1253 ... 1254 63 = /dev/cuf63 Callout device for ttyF63 1255 64 = /dev/cuf64 Callout device for ttyF64 1256 65 = /dev/cuf65 Callout device for ttyF65 1257 ... 1258 127 = /dev/cuf127 Callout device for ttyF127 1259 128 = /dev/cuf128 Callout device for ttyF128 1260 129 = /dev/cuf129 Callout device for ttyF129 1261 ... 1262 191 = /dev/cuf191 Callout device for ttyF191 1263 192 = /dev/cuf192 Callout device for ttyF192 1264 193 = /dev/cuf193 Callout device for ttyF193 1265 ... 1266 255 = /dev/cuf255 Callout device for ttyF255 1267 1268 72 block Compaq Intelligent Drive Array, first controller 1269 0 = /dev/ida/c0d0 First logical drive whole disk 1270 16 = /dev/ida/c0d1 Second logical drive whole disk 1271 ... 1272 240 = /dev/ida/c0d15 16th logical drive whole disk 1273 1274 Partitions are handled the same way as for Mylex 1275 DAC960 (see major number 48) except that the limit on 1276 partitions is 15. 1277 1278 73 char Computone IntelliPort II serial card - control devices 1279 0 = /dev/ip2ipl0 Loadware device for board 0 1280 1 = /dev/ip2stat0 Status device for board 0 1281 4 = /dev/ip2ipl1 Loadware device for board 1 1282 5 = /dev/ip2stat1 Status device for board 1 1283 8 = /dev/ip2ipl2 Loadware device for board 2 1284 9 = /dev/ip2stat2 Status device for board 2 1285 12 = /dev/ip2ipl3 Loadware device for board 3 1286 13 = /dev/ip2stat3 Status device for board 3 1287 1288 73 block Compaq Intelligent Drive Array, second controller 1289 0 = /dev/ida/c1d0 First logical drive whole disk 1290 16 = /dev/ida/c1d1 Second logical drive whole disk 1291 ... 1292 240 = /dev/ida/c1d15 16th logical drive whole disk 1293 1294 Partitions are handled the same way as for Mylex 1295 DAC960 (see major number 48) except that the limit on 1296 partitions is 15. 1297 1298 74 char SCI bridge 1299 0 = /dev/SCI/0 SCI device 0 1300 1 = /dev/SCI/1 SCI device 1 1301 ... 1302 1303 Currently for Dolphin Interconnect Solutions' PCI-SCI 1304 bridge. 1305 1306 74 block Compaq Intelligent Drive Array, third controller 1307 0 = /dev/ida/c2d0 First logical drive whole disk 1308 16 = /dev/ida/c2d1 Second logical drive whole disk 1309 ... 1310 240 = /dev/ida/c2d15 16th logical drive whole disk 1311 1312 Partitions are handled the same way as for Mylex 1313 DAC960 (see major number 48) except that the limit on 1314 partitions is 15. 1315 1316 75 char Specialix IO8+ serial card 1317 0 = /dev/ttyW0 First IO8+ port, first card 1318 1 = /dev/ttyW1 Second IO8+ port, first card 1319 ... 1320 8 = /dev/ttyW8 First IO8+ port, second card 1321 ... 1322 1323 75 block Compaq Intelligent Drive Array, fourth controller 1324 0 = /dev/ida/c3d0 First logical drive whole disk 1325 16 = /dev/ida/c3d1 Second logical drive whole disk 1326 ... 1327 240 = /dev/ida/c3d15 16th logical drive whole disk 1328 1329 Partitions are handled the same way as for Mylex 1330 DAC960 (see major number 48) except that the limit on 1331 partitions is 15. 1332 1333 76 char Specialix IO8+ serial card - alternate devices 1334 0 = /dev/cuw0 Callout device for ttyW0 1335 1 = /dev/cuw1 Callout device for ttyW1 1336 ... 1337 8 = /dev/cuw8 Callout device for ttyW8 1338 ... 1339 1340 76 block Compaq Intelligent Drive Array, fifth controller 1341 0 = /dev/ida/c4d0 First logical drive whole disk 1342 16 = /dev/ida/c4d1 Second logical drive whole disk 1343 ... 1344 240 = /dev/ida/c4d15 16th logical drive whole disk 1345 1346 Partitions are handled the same way as for Mylex 1347 DAC960 (see major number 48) except that the limit on 1348 partitions is 15. 1349 1350 1351 77 char ComScire Quantum Noise Generator 1352 0 = /dev/qng ComScire Quantum Noise Generator 1353 1354 77 block Compaq Intelligent Drive Array, sixth controller 1355 0 = /dev/ida/c5d0 First logical drive whole disk 1356 16 = /dev/ida/c5d1 Second logical drive whole disk 1357 ... 1358 240 = /dev/ida/c5d15 16th logical drive whole disk 1359 1360 Partitions are handled the same way as for Mylex 1361 DAC960 (see major number 48) except that the limit on 1362 partitions is 15. 1363 1364 78 char PAM Software's multimodem boards 1365 0 = /dev/ttyM0 First PAM modem 1366 1 = /dev/ttyM1 Second PAM modem 1367 ... 1368 1369 78 block Compaq Intelligent Drive Array, seventh controller 1370 0 = /dev/ida/c6d0 First logical drive whole disk 1371 16 = /dev/ida/c6d1 Second logical drive whole disk 1372 ... 1373 240 = /dev/ida/c6d15 16th logical drive whole disk 1374 1375 Partitions are handled the same way as for Mylex 1376 DAC960 (see major number 48) except that the limit on 1377 partitions is 15. 1378 1379 79 char PAM Software's multimodem boards - alternate devices 1380 0 = /dev/cum0 Callout device for ttyM0 1381 1 = /dev/cum1 Callout device for ttyM1 1382 ... 1383 1384 79 block Compaq Intelligent Drive Array, eighth controller 1385 0 = /dev/ida/c7d0 First logical drive whole disk 1386 16 = /dev/ida/c7d1 Second logical drive whole disk 1387 ... 1388 240 = /dev/ida/c715 16th logical drive whole disk 1389 1390 Partitions are handled the same way as for Mylex 1391 DAC960 (see major number 48) except that the limit on 1392 partitions is 15. 1393 1394 80 char Photometrics AT200 CCD camera 1395 0 = /dev/at200 Photometrics AT200 CCD camera 1396 1397 80 block I2O hard disk 1398 0 = /dev/i2o/hda First I2O hard disk, whole disk 1399 16 = /dev/i2o/hdb Second I2O hard disk, whole disk 1400 ... 1401 240 = /dev/i2o/hdp 16th I2O hard disk, whole disk 1402 1403 Partitions are handled in the same way as for IDE 1404 disks (see major number 3) except that the limit on 1405 partitions is 15. 1406 1407 81 char video4linux 1408 0 = /dev/video0 Video capture/overlay device 1409 ... 1410 63 = /dev/video63 Video capture/overlay device 1411 64 = /dev/radio0 Radio device 1412 ... 1413 127 = /dev/radio63 Radio device 1414 128 = /dev/swradio0 Software Defined Radio device 1415 ... 1416 191 = /dev/swradio63 Software Defined Radio device 1417 224 = /dev/vbi0 Vertical blank interrupt 1418 ... 1419 255 = /dev/vbi31 Vertical blank interrupt 1420 1421 Minor numbers are allocated dynamically unless 1422 CONFIG_VIDEO_FIXED_MINOR_RANGES (default n) 1423 configuration option is set. 1424 1425 81 block I2O hard disk 1426 0 = /dev/i2o/hdq 17th I2O hard disk, whole disk 1427 16 = /dev/i2o/hdr 18th I2O hard disk, whole disk 1428 ... 1429 240 = /dev/i2o/hdaf 32nd I2O hard disk, whole disk 1430 1431 Partitions are handled in the same way as for IDE 1432 disks (see major number 3) except that the limit on 1433 partitions is 15. 1434 1435 82 char WiNRADiO communications receiver card 1436 0 = /dev/winradio0 First WiNRADiO card 1437 1 = /dev/winradio1 Second WiNRADiO card 1438 ... 1439 1440 The driver and documentation may be obtained from 1441 http://www.winradio.com/ 1442 1443 82 block I2O hard disk 1444 0 = /dev/i2o/hdag 33rd I2O hard disk, whole disk 1445 16 = /dev/i2o/hdah 34th I2O hard disk, whole disk 1446 ... 1447 240 = /dev/i2o/hdav 48th I2O hard disk, whole disk 1448 1449 Partitions are handled in the same way as for IDE 1450 disks (see major number 3) except that the limit on 1451 partitions is 15. 1452 1453 83 char Matrox mga_vid video driver 1454 0 = /dev/mga_vid0 1st video card 1455 1 = /dev/mga_vid1 2nd video card 1456 2 = /dev/mga_vid2 3rd video card 1457 ... 1458 15 = /dev/mga_vid15 16th video card 1459 1460 83 block I2O hard disk 1461 0 = /dev/i2o/hdaw 49th I2O hard disk, whole disk 1462 16 = /dev/i2o/hdax 50th I2O hard disk, whole disk 1463 ... 1464 240 = /dev/i2o/hdbl 64th I2O hard disk, whole disk 1465 1466 Partitions are handled in the same way as for IDE 1467 disks (see major number 3) except that the limit on 1468 partitions is 15. 1469 1470 84 char Ikon 1011[57] Versatec Greensheet Interface 1471 0 = /dev/ihcp0 First Greensheet port 1472 1 = /dev/ihcp1 Second Greensheet port 1473 1474 84 block I2O hard disk 1475 0 = /dev/i2o/hdbm 65th I2O hard disk, whole disk 1476 16 = /dev/i2o/hdbn 66th I2O hard disk, whole disk 1477 ... 1478 240 = /dev/i2o/hdcb 80th I2O hard disk, whole disk 1479 1480 Partitions are handled in the same way as for IDE 1481 disks (see major number 3) except that the limit on 1482 partitions is 15. 1483 1484 85 char Linux/SGI shared memory input queue 1485 0 = /dev/shmiq Master shared input queue 1486 1 = /dev/qcntl0 First device pushed 1487 2 = /dev/qcntl1 Second device pushed 1488 ... 1489 1490 85 block I2O hard disk 1491 0 = /dev/i2o/hdcc 81st I2O hard disk, whole disk 1492 16 = /dev/i2o/hdcd 82nd I2O hard disk, whole disk 1493 ... 1494 240 = /dev/i2o/hdcr 96th I2O hard disk, whole disk 1495 1496 Partitions are handled in the same way as for IDE 1497 disks (see major number 3) except that the limit on 1498 partitions is 15. 1499 1500 86 char SCSI media changer 1501 0 = /dev/sch0 First SCSI media changer 1502 1 = /dev/sch1 Second SCSI media changer 1503 ... 1504 1505 86 block I2O hard disk 1506 0 = /dev/i2o/hdcs 97th I2O hard disk, whole disk 1507 16 = /dev/i2o/hdct 98th I2O hard disk, whole disk 1508 ... 1509 240 = /dev/i2o/hddh 112th I2O hard disk, whole disk 1510 1511 Partitions are handled in the same way as for IDE 1512 disks (see major number 3) except that the limit on 1513 partitions is 15. 1514 1515 87 char Sony Control-A1 stereo control bus 1516 0 = /dev/controla0 First device on chain 1517 1 = /dev/controla1 Second device on chain 1518 ... 1519 1520 87 block I2O hard disk 1521 0 = /dev/i2o/hddi 113rd I2O hard disk, whole disk 1522 16 = /dev/i2o/hddj 114th I2O hard disk, whole disk 1523 ... 1524 240 = /dev/i2o/hddx 128th I2O hard disk, whole disk 1525 1526 Partitions are handled in the same way as for IDE 1527 disks (see major number 3) except that the limit on 1528 partitions is 15. 1529 1530 88 char COMX synchronous serial card 1531 0 = /dev/comx0 COMX channel 0 1532 1 = /dev/comx1 COMX channel 1 1533 ... 1534 1535 88 block Seventh IDE hard disk/CD-ROM interface 1536 0 = /dev/hdm Master: whole disk (or CD-ROM) 1537 64 = /dev/hdn Slave: whole disk (or CD-ROM) 1538 1539 Partitions are handled the same way as for the first 1540 interface (see major number 3). 1541 1542 89 char I2C bus interface 1543 0 = /dev/i2c-0 First I2C adapter 1544 1 = /dev/i2c-1 Second I2C adapter 1545 ... 1546 1547 89 block Eighth IDE hard disk/CD-ROM interface 1548 0 = /dev/hdo Master: whole disk (or CD-ROM) 1549 64 = /dev/hdp Slave: whole disk (or CD-ROM) 1550 1551 Partitions are handled the same way as for the first 1552 interface (see major number 3). 1553 1554 90 char Memory Technology Device (RAM, ROM, Flash) 1555 0 = /dev/mtd0 First MTD (rw) 1556 1 = /dev/mtdr0 First MTD (ro) 1557 ... 1558 30 = /dev/mtd15 16th MTD (rw) 1559 31 = /dev/mtdr15 16th MTD (ro) 1560 1561 90 block Ninth IDE hard disk/CD-ROM interface 1562 0 = /dev/hdq Master: whole disk (or CD-ROM) 1563 64 = /dev/hdr Slave: whole disk (or CD-ROM) 1564 1565 Partitions are handled the same way as for the first 1566 interface (see major number 3). 1567 1568 91 char CAN-Bus devices 1569 0 = /dev/can0 First CAN-Bus controller 1570 1 = /dev/can1 Second CAN-Bus controller 1571 ... 1572 1573 91 block Tenth IDE hard disk/CD-ROM interface 1574 0 = /dev/hds Master: whole disk (or CD-ROM) 1575 64 = /dev/hdt Slave: whole disk (or CD-ROM) 1576 1577 Partitions are handled the same way as for the first 1578 interface (see major number 3). 1579 1580 92 char Reserved for ith Kommunikationstechnik MIC ISDN card 1581 1582 92 block PPDD encrypted disk driver 1583 0 = /dev/ppdd0 First encrypted disk 1584 1 = /dev/ppdd1 Second encrypted disk 1585 ... 1586 1587 Partitions are handled in the same way as for IDE 1588 disks (see major number 3) except that the limit on 1589 partitions is 15. 1590 1591 93 char 1592 1593 93 block NAND Flash Translation Layer filesystem 1594 0 = /dev/nftla First NFTL layer 1595 16 = /dev/nftlb Second NFTL layer 1596 ... 1597 240 = /dev/nftlp 16th NTFL layer 1598 1599 94 char 1600 1601 94 block IBM S/390 DASD block storage 1602 0 = /dev/dasda First DASD device, major 1603 1 = /dev/dasda1 First DASD device, block 1 1604 2 = /dev/dasda2 First DASD device, block 2 1605 3 = /dev/dasda3 First DASD device, block 3 1606 4 = /dev/dasdb Second DASD device, major 1607 5 = /dev/dasdb1 Second DASD device, block 1 1608 6 = /dev/dasdb2 Second DASD device, block 2 1609 7 = /dev/dasdb3 Second DASD device, block 3 1610 ... 1611 1612 95 char IP filter 1613 0 = /dev/ipl Filter control device/log file 1614 1 = /dev/ipnat NAT control device/log file 1615 2 = /dev/ipstate State information log file 1616 3 = /dev/ipauth Authentication control device/log file 1617 ... 1618 1619 96 char Parallel port ATAPI tape devices 1620 0 = /dev/pt0 First parallel port ATAPI tape 1621 1 = /dev/pt1 Second parallel port ATAPI tape 1622 ... 1623 128 = /dev/npt0 First p.p. ATAPI tape, no rewind 1624 129 = /dev/npt1 Second p.p. ATAPI tape, no rewind 1625 ... 1626 1627 96 block Inverse NAND Flash Translation Layer 1628 0 = /dev/inftla First INFTL layer 1629 16 = /dev/inftlb Second INFTL layer 1630 ... 1631 240 = /dev/inftlp 16th INTFL layer 1632 1633 97 char Parallel port generic ATAPI interface 1634 0 = /dev/pg0 First parallel port ATAPI device 1635 1 = /dev/pg1 Second parallel port ATAPI device 1636 2 = /dev/pg2 Third parallel port ATAPI device 1637 3 = /dev/pg3 Fourth parallel port ATAPI device 1638 1639 These devices support the same API as the generic SCSI 1640 devices. 1641 1642 98 char Control and Measurement Device (comedi) 1643 0 = /dev/comedi0 First comedi device 1644 1 = /dev/comedi1 Second comedi device 1645 ... 1646 1647 See http://stm.lbl.gov/comedi. 1648 1649 98 block User-mode virtual block device 1650 0 = /dev/ubda First user-mode block device 1651 16 = /dev/udbb Second user-mode block device 1652 ... 1653 1654 Partitions are handled in the same way as for IDE 1655 disks (see major number 3) except that the limit on 1656 partitions is 15. 1657 1658 This device is used by the user-mode virtual kernel port. 1659 1660 99 char Raw parallel ports 1661 0 = /dev/parport0 First parallel port 1662 1 = /dev/parport1 Second parallel port 1663 ... 1664 1665 99 block JavaStation flash disk 1666 0 = /dev/jsfd JavaStation flash disk 1667 1668 100 char Telephony for Linux 1669 0 = /dev/phone0 First telephony device 1670 1 = /dev/phone1 Second telephony device 1671 ... 1672 1673 101 char Motorola DSP 56xxx board 1674 0 = /dev/mdspstat Status information 1675 1 = /dev/mdsp1 First DSP board I/O controls 1676 ... 1677 16 = /dev/mdsp16 16th DSP board I/O controls 1678 1679 101 block AMI HyperDisk RAID controller 1680 0 = /dev/amiraid/ar0 First array whole disk 1681 16 = /dev/amiraid/ar1 Second array whole disk 1682 ... 1683 240 = /dev/amiraid/ar15 16th array whole disk 1684 1685 For each device, partitions are added as: 1686 0 = /dev/amiraid/ar? Whole disk 1687 1 = /dev/amiraid/ar?p1 First partition 1688 2 = /dev/amiraid/ar?p2 Second partition 1689 ... 1690 15 = /dev/amiraid/ar?p15 15th partition 1691 1692 102 char 1693 1694 102 block Compressed block device 1695 0 = /dev/cbd/a First compressed block device, whole device 1696 16 = /dev/cbd/b Second compressed block device, whole device 1697 ... 1698 240 = /dev/cbd/p 16th compressed block device, whole device 1699 1700 Partitions are handled in the same way as for IDE 1701 disks (see major number 3) except that the limit on 1702 partitions is 15. 1703 1704 103 char Arla network file system 1705 0 = /dev/nnpfs0 First NNPFS device 1706 1 = /dev/nnpfs1 Second NNPFS device 1707 1708 Arla is a free clone of the Andrew File System, AFS. 1709 The NNPFS device gives user mode filesystem 1710 implementations a kernel presence for caching and easy 1711 mounting. For more information about the project, 1712 write to <arla-drinkers@stacken.kth.se> or see 1713 http://www.stacken.kth.se/project/arla/ 1714 1715 103 block Audit device 1716 0 = /dev/audit Audit device 1717 1718 104 char Flash BIOS support 1719 1720 104 block Compaq Next Generation Drive Array, first controller 1721 0 = /dev/cciss/c0d0 First logical drive, whole disk 1722 16 = /dev/cciss/c0d1 Second logical drive, whole disk 1723 ... 1724 240 = /dev/cciss/c0d15 16th logical drive, whole disk 1725 1726 Partitions are handled the same way as for Mylex 1727 DAC960 (see major number 48) except that the limit on 1728 partitions is 15. 1729 1730 105 char Comtrol VS-1000 serial controller 1731 0 = /dev/ttyV0 First VS-1000 port 1732 1 = /dev/ttyV1 Second VS-1000 port 1733 ... 1734 1735 105 block Compaq Next Generation Drive Array, second controller 1736 0 = /dev/cciss/c1d0 First logical drive, whole disk 1737 16 = /dev/cciss/c1d1 Second logical drive, whole disk 1738 ... 1739 240 = /dev/cciss/c1d15 16th logical drive, whole disk 1740 1741 Partitions are handled the same way as for Mylex 1742 DAC960 (see major number 48) except that the limit on 1743 partitions is 15. 1744 1745 106 char Comtrol VS-1000 serial controller - alternate devices 1746 0 = /dev/cuv0 First VS-1000 port 1747 1 = /dev/cuv1 Second VS-1000 port 1748 ... 1749 1750 106 block Compaq Next Generation Drive Array, third controller 1751 0 = /dev/cciss/c2d0 First logical drive, whole disk 1752 16 = /dev/cciss/c2d1 Second logical drive, whole disk 1753 ... 1754 240 = /dev/cciss/c2d15 16th logical drive, whole disk 1755 1756 Partitions are handled the same way as for Mylex 1757 DAC960 (see major number 48) except that the limit on 1758 partitions is 15. 1759 1760 107 char 3Dfx Voodoo Graphics device 1761 0 = /dev/3dfx Primary 3Dfx graphics device 1762 1763 107 block Compaq Next Generation Drive Array, fourth controller 1764 0 = /dev/cciss/c3d0 First logical drive, whole disk 1765 16 = /dev/cciss/c3d1 Second logical drive, whole disk 1766 ... 1767 240 = /dev/cciss/c3d15 16th logical drive, whole disk 1768 1769 Partitions are handled the same way as for Mylex 1770 DAC960 (see major number 48) except that the limit on 1771 partitions is 15. 1772 1773 108 char Device independent PPP interface 1774 0 = /dev/ppp Device independent PPP interface 1775 1776 108 block Compaq Next Generation Drive Array, fifth controller 1777 0 = /dev/cciss/c4d0 First logical drive, whole disk 1778 16 = /dev/cciss/c4d1 Second logical drive, whole disk 1779 ... 1780 240 = /dev/cciss/c4d15 16th logical drive, whole disk 1781 1782 Partitions are handled the same way as for Mylex 1783 DAC960 (see major number 48) except that the limit on 1784 partitions is 15. 1785 1786 109 char Reserved for logical volume manager 1787 1788 109 block Compaq Next Generation Drive Array, sixth controller 1789 0 = /dev/cciss/c5d0 First logical drive, whole disk 1790 16 = /dev/cciss/c5d1 Second logical drive, whole disk 1791 ... 1792 240 = /dev/cciss/c5d15 16th logical drive, whole disk 1793 1794 Partitions are handled the same way as for Mylex 1795 DAC960 (see major number 48) except that the limit on 1796 partitions is 15. 1797 1798 110 char miroMEDIA Surround board 1799 0 = /dev/srnd0 First miroMEDIA Surround board 1800 1 = /dev/srnd1 Second miroMEDIA Surround board 1801 ... 1802 1803 110 block Compaq Next Generation Drive Array, seventh controller 1804 0 = /dev/cciss/c6d0 First logical drive, whole disk 1805 16 = /dev/cciss/c6d1 Second logical drive, whole disk 1806 ... 1807 240 = /dev/cciss/c6d15 16th logical drive, whole disk 1808 1809 Partitions are handled the same way as for Mylex 1810 DAC960 (see major number 48) except that the limit on 1811 partitions is 15. 1812 1813 111 char 1814 1815 111 block Compaq Next Generation Drive Array, eighth controller 1816 0 = /dev/cciss/c7d0 First logical drive, whole disk 1817 16 = /dev/cciss/c7d1 Second logical drive, whole disk 1818 ... 1819 240 = /dev/cciss/c7d15 16th logical drive, whole disk 1820 1821 Partitions are handled the same way as for Mylex 1822 DAC960 (see major number 48) except that the limit on 1823 partitions is 15. 1824 1825 112 char ISI serial card 1826 0 = /dev/ttyM0 First ISI port 1827 1 = /dev/ttyM1 Second ISI port 1828 ... 1829 1830 There is currently a device-naming conflict between 1831 these and PAM multimodems (major 78). 1832 1833 112 block IBM iSeries virtual disk 1834 0 = /dev/iseries/vda First virtual disk, whole disk 1835 8 = /dev/iseries/vdb Second virtual disk, whole disk 1836 ... 1837 200 = /dev/iseries/vdz 26th virtual disk, whole disk 1838 208 = /dev/iseries/vdaa 27th virtual disk, whole disk 1839 ... 1840 248 = /dev/iseries/vdaf 32nd virtual disk, whole disk 1841 1842 Partitions are handled in the same way as for IDE 1843 disks (see major number 3) except that the limit on 1844 partitions is 7. 1845 1846 113 char ISI serial card - alternate devices 1847 0 = /dev/cum0 Callout device for ttyM0 1848 1 = /dev/cum1 Callout device for ttyM1 1849 ... 1850 1851 113 block IBM iSeries virtual CD-ROM 1852 0 = /dev/iseries/vcda First virtual CD-ROM 1853 1 = /dev/iseries/vcdb Second virtual CD-ROM 1854 ... 1855 1856 114 char Picture Elements ISE board 1857 0 = /dev/ise0 First ISE board 1858 1 = /dev/ise1 Second ISE board 1859 ... 1860 128 = /dev/isex0 Control node for first ISE board 1861 129 = /dev/isex1 Control node for second ISE board 1862 ... 1863 1864 The ISE board is an embedded computer, optimized for 1865 image processing. The /dev/iseN nodes are the general 1866 I/O access to the board, the /dev/isex0 nodes command 1867 nodes used to control the board. 1868 1869 114 block IDE BIOS powered software RAID interfaces such as the 1870 Promise Fastrak 1871 1872 0 = /dev/ataraid/d0 1873 1 = /dev/ataraid/d0p1 1874 2 = /dev/ataraid/d0p2 1875 ... 1876 16 = /dev/ataraid/d1 1877 17 = /dev/ataraid/d1p1 1878 18 = /dev/ataraid/d1p2 1879 ... 1880 255 = /dev/ataraid/d15p15 1881 1882 Partitions are handled in the same way as for IDE 1883 disks (see major number 3) except that the limit on 1884 partitions is 15. 1885 1886 115 char TI link cable devices (115 was formerly the console driver speaker) 1887 0 = /dev/tipar0 Parallel cable on first parallel port 1888 ... 1889 7 = /dev/tipar7 Parallel cable on seventh parallel port 1890 1891 8 = /dev/tiser0 Serial cable on first serial port 1892 ... 1893 15 = /dev/tiser7 Serial cable on seventh serial port 1894 1895 16 = /dev/tiusb0 First USB cable 1896 ... 1897 47 = /dev/tiusb31 32nd USB cable 1898 1899 115 block NetWare (NWFS) Devices (0-255) 1900 1901 The NWFS (NetWare) devices are used to present a 1902 collection of NetWare Mirror Groups or NetWare 1903 Partitions as a logical storage segment for 1904 use in mounting NetWare volumes. A maximum of 1905 256 NetWare volumes can be supported in a single 1906 machine. 1907 1908 http://cgfa.telepac.pt/ftp2/kernel.org/linux/kernel/people/jmerkey/nwfs/ 1909 1910 0 = /dev/nwfs/v0 First NetWare (NWFS) Logical Volume 1911 1 = /dev/nwfs/v1 Second NetWare (NWFS) Logical Volume 1912 2 = /dev/nwfs/v2 Third NetWare (NWFS) Logical Volume 1913 ... 1914 255 = /dev/nwfs/v255 Last NetWare (NWFS) Logical Volume 1915 1916 116 char Advanced Linux Sound Driver (ALSA) 1917 1918 116 block MicroMemory battery backed RAM adapter (NVRAM) 1919 Supports 16 boards, 15 partitions each. 1920 Requested by neilb at cse.unsw.edu.au. 1921 1922 0 = /dev/umem/d0 Whole of first board 1923 1 = /dev/umem/d0p1 First partition of first board 1924 2 = /dev/umem/d0p2 Second partition of first board 1925 15 = /dev/umem/d0p15 15th partition of first board 1926 1927 16 = /dev/umem/d1 Whole of second board 1928 17 = /dev/umem/d1p1 First partition of second board 1929 ... 1930 255= /dev/umem/d15p15 15th partition of 16th board. 1931 1932 117 char COSA/SRP synchronous serial card 1933 0 = /dev/cosa0c0 1st board, 1st channel 1934 1 = /dev/cosa0c1 1st board, 2nd channel 1935 ... 1936 16 = /dev/cosa1c0 2nd board, 1st channel 1937 17 = /dev/cosa1c1 2nd board, 2nd channel 1938 ... 1939 1940 117 block Enterprise Volume Management System (EVMS) 1941 1942 The EVMS driver uses a layered, plug-in model to provide 1943 unparalleled flexibility and extensibility in managing 1944 storage. This allows for easy expansion or customization 1945 of various levels of volume management. Requested by 1946 Mark Peloquin (peloquin at us.ibm.com). 1947 1948 Note: EVMS populates and manages all the devnodes in 1949 /dev/evms. 1950 1951 http://sf.net/projects/evms 1952 1953 0 = /dev/evms/block_device EVMS block device 1954 1 = /dev/evms/legacyname1 First EVMS legacy device 1955 2 = /dev/evms/legacyname2 Second EVMS legacy device 1956 ... 1957 Both ranges can grow (down or up) until they meet. 1958 ... 1959 254 = /dev/evms/EVMSname2 Second EVMS native device 1960 255 = /dev/evms/EVMSname1 First EVMS native device 1961 1962 Note: legacyname(s) are derived from the normal legacy 1963 device names. For example, /dev/hda5 would become 1964 /dev/evms/hda5. 1965 1966 118 char IBM Cryptographic Accelerator 1967 0 = /dev/ica Virtual interface to all IBM Crypto Accelerators 1968 1 = /dev/ica0 IBMCA Device 0 1969 2 = /dev/ica1 IBMCA Device 1 1970 ... 1971 1972 119 char VMware virtual network control 1973 0 = /dev/vnet0 1st virtual network 1974 1 = /dev/vnet1 2nd virtual network 1975 ... 1976 1977 120-127 char LOCAL/EXPERIMENTAL USE 1978 1979 120-127 block LOCAL/EXPERIMENTAL USE 1980 Allocated for local/experimental use. For devices not 1981 assigned official numbers, these ranges should be 1982 used in order to avoid conflicting with future assignments. 1983 1984 128-135 char Unix98 PTY masters 1985 1986 These devices should not have corresponding device 1987 nodes; instead they should be accessed through the 1988 /dev/ptmx cloning interface. 1989 1990 128 block SCSI disk devices (128-143) 1991 0 = /dev/sddy 129th SCSI disk whole disk 1992 16 = /dev/sddz 130th SCSI disk whole disk 1993 32 = /dev/sdea 131th SCSI disk whole disk 1994 ... 1995 240 = /dev/sden 144th SCSI disk whole disk 1996 1997 Partitions are handled in the same way as for IDE 1998 disks (see major number 3) except that the limit on 1999 partitions is 15. 2000 2001 129 block SCSI disk devices (144-159) 2002 0 = /dev/sdeo 145th SCSI disk whole disk 2003 16 = /dev/sdep 146th SCSI disk whole disk 2004 32 = /dev/sdeq 147th SCSI disk whole disk 2005 ... 2006 240 = /dev/sdfd 160th SCSI disk whole disk 2007 2008 Partitions are handled in the same way as for IDE 2009 disks (see major number 3) except that the limit on 2010 partitions is 15. 2011 2012 130 char (Misc devices) 2013 2014 130 block SCSI disk devices (160-175) 2015 0 = /dev/sdfe 161st SCSI disk whole disk 2016 16 = /dev/sdff 162nd SCSI disk whole disk 2017 32 = /dev/sdfg 163rd SCSI disk whole disk 2018 ... 2019 240 = /dev/sdft 176th SCSI disk whole disk 2020 2021 Partitions are handled in the same way as for IDE 2022 disks (see major number 3) except that the limit on 2023 partitions is 15. 2024 2025 131 block SCSI disk devices (176-191) 2026 0 = /dev/sdfu 177th SCSI disk whole disk 2027 16 = /dev/sdfv 178th SCSI disk whole disk 2028 32 = /dev/sdfw 179th SCSI disk whole disk 2029 ... 2030 240 = /dev/sdgj 192nd SCSI disk whole disk 2031 2032 Partitions are handled in the same way as for IDE 2033 disks (see major number 3) except that the limit on 2034 partitions is 15. 2035 2036 132 block SCSI disk devices (192-207) 2037 0 = /dev/sdgk 193rd SCSI disk whole disk 2038 16 = /dev/sdgl 194th SCSI disk whole disk 2039 32 = /dev/sdgm 195th SCSI disk whole disk 2040 ... 2041 240 = /dev/sdgz 208th SCSI disk whole disk 2042 2043 Partitions are handled in the same way as for IDE 2044 disks (see major number 3) except that the limit on 2045 partitions is 15. 2046 2047 133 block SCSI disk devices (208-223) 2048 0 = /dev/sdha 209th SCSI disk whole disk 2049 16 = /dev/sdhb 210th SCSI disk whole disk 2050 32 = /dev/sdhc 211th SCSI disk whole disk 2051 ... 2052 240 = /dev/sdhp 224th SCSI disk whole disk 2053 2054 Partitions are handled in the same way as for IDE 2055 disks (see major number 3) except that the limit on 2056 partitions is 15. 2057 2058 134 block SCSI disk devices (224-239) 2059 0 = /dev/sdhq 225th SCSI disk whole disk 2060 16 = /dev/sdhr 226th SCSI disk whole disk 2061 32 = /dev/sdhs 227th SCSI disk whole disk 2062 ... 2063 240 = /dev/sdif 240th SCSI disk whole disk 2064 2065 Partitions are handled in the same way as for IDE 2066 disks (see major number 3) except that the limit on 2067 partitions is 15. 2068 2069 135 block SCSI disk devices (240-255) 2070 0 = /dev/sdig 241st SCSI disk whole disk 2071 16 = /dev/sdih 242nd SCSI disk whole disk 2072 32 = /dev/sdih 243rd SCSI disk whole disk 2073 ... 2074 240 = /dev/sdiv 256th SCSI disk whole disk 2075 2076 Partitions are handled in the same way as for IDE 2077 disks (see major number 3) except that the limit on 2078 partitions is 15. 2079 2080 136-143 char Unix98 PTY slaves 2081 0 = /dev/pts/0 First Unix98 pseudo-TTY 2082 1 = /dev/pts/1 Second Unix98 pseudo-TTY 2083 ... 2084 2085 These device nodes are automatically generated with 2086 the proper permissions and modes by mounting the 2087 devpts filesystem onto /dev/pts with the appropriate 2088 mount options (distribution dependent, however, on 2089 *most* distributions the appropriate options are 2090 "mode=0620,gid=<gid of the "tty" group>".) 2091 2092 136 block Mylex DAC960 PCI RAID controller; ninth controller 2093 0 = /dev/rd/c8d0 First disk, whole disk 2094 8 = /dev/rd/c8d1 Second disk, whole disk 2095 ... 2096 248 = /dev/rd/c8d31 32nd disk, whole disk 2097 2098 Partitions are handled as for major 48. 2099 2100 137 block Mylex DAC960 PCI RAID controller; tenth controller 2101 0 = /dev/rd/c9d0 First disk, whole disk 2102 8 = /dev/rd/c9d1 Second disk, whole disk 2103 ... 2104 248 = /dev/rd/c9d31 32nd disk, whole disk 2105 2106 Partitions are handled as for major 48. 2107 2108 138 block Mylex DAC960 PCI RAID controller; eleventh controller 2109 0 = /dev/rd/c10d0 First disk, whole disk 2110 8 = /dev/rd/c10d1 Second disk, whole disk 2111 ... 2112 248 = /dev/rd/c10d31 32nd disk, whole disk 2113 2114 Partitions are handled as for major 48. 2115 2116 139 block Mylex DAC960 PCI RAID controller; twelfth controller 2117 0 = /dev/rd/c11d0 First disk, whole disk 2118 8 = /dev/rd/c11d1 Second disk, whole disk 2119 ... 2120 248 = /dev/rd/c11d31 32nd disk, whole disk 2121 2122 Partitions are handled as for major 48. 2123 2124 140 block Mylex DAC960 PCI RAID controller; thirteenth controller 2125 0 = /dev/rd/c12d0 First disk, whole disk 2126 8 = /dev/rd/c12d1 Second disk, whole disk 2127 ... 2128 248 = /dev/rd/c12d31 32nd disk, whole disk 2129 2130 Partitions are handled as for major 48. 2131 2132 141 block Mylex DAC960 PCI RAID controller; fourteenth controller 2133 0 = /dev/rd/c13d0 First disk, whole disk 2134 8 = /dev/rd/c13d1 Second disk, whole disk 2135 ... 2136 248 = /dev/rd/c13d31 32nd disk, whole disk 2137 2138 Partitions are handled as for major 48. 2139 2140 142 block Mylex DAC960 PCI RAID controller; fifteenth controller 2141 0 = /dev/rd/c14d0 First disk, whole disk 2142 8 = /dev/rd/c14d1 Second disk, whole disk 2143 ... 2144 248 = /dev/rd/c14d31 32nd disk, whole disk 2145 2146 Partitions are handled as for major 48. 2147 2148 143 block Mylex DAC960 PCI RAID controller; sixteenth controller 2149 0 = /dev/rd/c15d0 First disk, whole disk 2150 8 = /dev/rd/c15d1 Second disk, whole disk 2151 ... 2152 248 = /dev/rd/c15d31 32nd disk, whole disk 2153 2154 Partitions are handled as for major 48. 2155 2156 144 char Encapsulated PPP 2157 0 = /dev/pppox0 First PPP over Ethernet 2158 ... 2159 63 = /dev/pppox63 64th PPP over Ethernet 2160 2161 This is primarily used for ADSL. 2162 2163 The SST 5136-DN DeviceNet interface driver has been 2164 relocated to major 183 due to an unfortunate conflict. 2165 2166 144 block Expansion Area #1 for more non-device (e.g. NFS) mounts 2167 0 = mounted device 256 2168 255 = mounted device 511 2169 2170 145 char SAM9407-based soundcard 2171 0 = /dev/sam0_mixer 2172 1 = /dev/sam0_sequencer 2173 2 = /dev/sam0_midi00 2174 3 = /dev/sam0_dsp 2175 4 = /dev/sam0_audio 2176 6 = /dev/sam0_sndstat 2177 18 = /dev/sam0_midi01 2178 34 = /dev/sam0_midi02 2179 50 = /dev/sam0_midi03 2180 64 = /dev/sam1_mixer 2181 ... 2182 128 = /dev/sam2_mixer 2183 ... 2184 192 = /dev/sam3_mixer 2185 ... 2186 2187 Device functions match OSS, but offer a number of 2188 addons, which are sam9407 specific. OSS can be 2189 operated simultaneously, taking care of the codec. 2190 2191 145 block Expansion Area #2 for more non-device (e.g. NFS) mounts 2192 0 = mounted device 512 2193 255 = mounted device 767 2194 2195 146 char SYSTRAM SCRAMNet mirrored-memory network 2196 0 = /dev/scramnet0 First SCRAMNet device 2197 1 = /dev/scramnet1 Second SCRAMNet device 2198 ... 2199 2200 146 block Expansion Area #3 for more non-device (e.g. NFS) mounts 2201 0 = mounted device 768 2202 255 = mounted device 1023 2203 2204 147 char Aureal Semiconductor Vortex Audio device 2205 0 = /dev/aureal0 First Aureal Vortex 2206 1 = /dev/aureal1 Second Aureal Vortex 2207 ... 2208 2209 147 block Distributed Replicated Block Device (DRBD) 2210 0 = /dev/drbd0 First DRBD device 2211 1 = /dev/drbd1 Second DRBD device 2212 ... 2213 2214 148 char Technology Concepts serial card 2215 0 = /dev/ttyT0 First TCL port 2216 1 = /dev/ttyT1 Second TCL port 2217 ... 2218 2219 149 char Technology Concepts serial card - alternate devices 2220 0 = /dev/cut0 Callout device for ttyT0 2221 1 = /dev/cut0 Callout device for ttyT1 2222 ... 2223 2224 150 char Real-Time Linux FIFOs 2225 0 = /dev/rtf0 First RTLinux FIFO 2226 1 = /dev/rtf1 Second RTLinux FIFO 2227 ... 2228 2229 151 char DPT I2O SmartRaid V controller 2230 0 = /dev/dpti0 First DPT I2O adapter 2231 1 = /dev/dpti1 Second DPT I2O adapter 2232 ... 2233 2234 152 char EtherDrive Control Device 2235 0 = /dev/etherd/ctl Connect/Disconnect an EtherDrive 2236 1 = /dev/etherd/err Monitor errors 2237 2 = /dev/etherd/raw Raw AoE packet monitor 2238 2239 152 block EtherDrive Block Devices 2240 0 = /dev/etherd/0 EtherDrive 0 2241 ... 2242 255 = /dev/etherd/255 EtherDrive 255 2243 2244 153 char SPI Bus Interface (sometimes referred to as MicroWire) 2245 0 = /dev/spi0 First SPI device on the bus 2246 1 = /dev/spi1 Second SPI device on the bus 2247 ... 2248 15 = /dev/spi15 Sixteenth SPI device on the bus 2249 2250 153 block Enhanced Metadisk RAID (EMD) storage units 2251 0 = /dev/emd/0 First unit 2252 1 = /dev/emd/0p1 Partition 1 on First unit 2253 2 = /dev/emd/0p2 Partition 2 on First unit 2254 ... 2255 15 = /dev/emd/0p15 Partition 15 on First unit 2256 2257 16 = /dev/emd/1 Second unit 2258 32 = /dev/emd/2 Third unit 2259 ... 2260 240 = /dev/emd/15 Sixteenth unit 2261 2262 Partitions are handled in the same way as for IDE 2263 disks (see major number 3) except that the limit on 2264 partitions is 15. 2265 2266 154 char Specialix RIO serial card 2267 0 = /dev/ttySR0 First RIO port 2268 ... 2269 255 = /dev/ttySR255 256th RIO port 2270 2271 155 char Specialix RIO serial card - alternate devices 2272 0 = /dev/cusr0 Callout device for ttySR0 2273 ... 2274 255 = /dev/cusr255 Callout device for ttySR255 2275 2276 156 char Specialix RIO serial card 2277 0 = /dev/ttySR256 257th RIO port 2278 ... 2279 255 = /dev/ttySR511 512th RIO port 2280 2281 157 char Specialix RIO serial card - alternate devices 2282 0 = /dev/cusr256 Callout device for ttySR256 2283 ... 2284 255 = /dev/cusr511 Callout device for ttySR511 2285 2286 158 char Dialogic GammaLink fax driver 2287 0 = /dev/gfax0 GammaLink channel 0 2288 1 = /dev/gfax1 GammaLink channel 1 2289 ... 2290 2291 159 char RESERVED 2292 2293 159 block RESERVED 2294 2295 160 char General Purpose Instrument Bus (GPIB) 2296 0 = /dev/gpib0 First GPIB bus 2297 1 = /dev/gpib1 Second GPIB bus 2298 ... 2299 2300 160 block Carmel 8-port SATA Disks on First Controller 2301 0 = /dev/carmel/0 SATA disk 0 whole disk 2302 1 = /dev/carmel/0p1 SATA disk 0 partition 1 2303 ... 2304 31 = /dev/carmel/0p31 SATA disk 0 partition 31 2305 2306 32 = /dev/carmel/1 SATA disk 1 whole disk 2307 64 = /dev/carmel/2 SATA disk 2 whole disk 2308 ... 2309 224 = /dev/carmel/7 SATA disk 7 whole disk 2310 2311 Partitions are handled in the same way as for IDE 2312 disks (see major number 3) except that the limit on 2313 partitions is 31. 2314 2315 161 char IrCOMM devices (IrDA serial/parallel emulation) 2316 0 = /dev/ircomm0 First IrCOMM device 2317 1 = /dev/ircomm1 Second IrCOMM device 2318 ... 2319 16 = /dev/irlpt0 First IrLPT device 2320 17 = /dev/irlpt1 Second IrLPT device 2321 ... 2322 2323 161 block Carmel 8-port SATA Disks on Second Controller 2324 0 = /dev/carmel/8 SATA disk 8 whole disk 2325 1 = /dev/carmel/8p1 SATA disk 8 partition 1 2326 ... 2327 31 = /dev/carmel/8p31 SATA disk 8 partition 31 2328 2329 32 = /dev/carmel/9 SATA disk 9 whole disk 2330 64 = /dev/carmel/10 SATA disk 10 whole disk 2331 ... 2332 224 = /dev/carmel/15 SATA disk 15 whole disk 2333 2334 Partitions are handled in the same way as for IDE 2335 disks (see major number 3) except that the limit on 2336 partitions is 31. 2337 2338 162 char Raw block device interface 2339 0 = /dev/rawctl Raw I/O control device 2340 1 = /dev/raw/raw1 First raw I/O device 2341 2 = /dev/raw/raw2 Second raw I/O device 2342 ... 2343 max minor number of raw device is set by kernel config 2344 MAX_RAW_DEVS or raw module parameter 'max_raw_devs' 2345 2346 163 char 2347 2348 164 char Chase Research AT/PCI-Fast serial card 2349 0 = /dev/ttyCH0 AT/PCI-Fast board 0, port 0 2350 ... 2351 15 = /dev/ttyCH15 AT/PCI-Fast board 0, port 15 2352 16 = /dev/ttyCH16 AT/PCI-Fast board 1, port 0 2353 ... 2354 31 = /dev/ttyCH31 AT/PCI-Fast board 1, port 15 2355 32 = /dev/ttyCH32 AT/PCI-Fast board 2, port 0 2356 ... 2357 47 = /dev/ttyCH47 AT/PCI-Fast board 2, port 15 2358 48 = /dev/ttyCH48 AT/PCI-Fast board 3, port 0 2359 ... 2360 63 = /dev/ttyCH63 AT/PCI-Fast board 3, port 15 2361 2362 165 char Chase Research AT/PCI-Fast serial card - alternate devices 2363 0 = /dev/cuch0 Callout device for ttyCH0 2364 ... 2365 63 = /dev/cuch63 Callout device for ttyCH63 2366 2367 166 char ACM USB modems 2368 0 = /dev/ttyACM0 First ACM modem 2369 1 = /dev/ttyACM1 Second ACM modem 2370 ... 2371 2372 167 char ACM USB modems - alternate devices 2373 0 = /dev/cuacm0 Callout device for ttyACM0 2374 1 = /dev/cuacm1 Callout device for ttyACM1 2375 ... 2376 2377 168 char Eracom CSA7000 PCI encryption adaptor 2378 0 = /dev/ecsa0 First CSA7000 2379 1 = /dev/ecsa1 Second CSA7000 2380 ... 2381 2382 169 char Eracom CSA8000 PCI encryption adaptor 2383 0 = /dev/ecsa8-0 First CSA8000 2384 1 = /dev/ecsa8-1 Second CSA8000 2385 ... 2386 2387 170 char AMI MegaRAC remote access controller 2388 0 = /dev/megarac0 First MegaRAC card 2389 1 = /dev/megarac1 Second MegaRAC card 2390 ... 2391 2392 171 char Reserved for IEEE 1394 (Firewire) 2393 2394 172 char Moxa Intellio serial card 2395 0 = /dev/ttyMX0 First Moxa port 2396 1 = /dev/ttyMX1 Second Moxa port 2397 ... 2398 127 = /dev/ttyMX127 128th Moxa port 2399 128 = /dev/moxactl Moxa control port 2400 2401 173 char Moxa Intellio serial card - alternate devices 2402 0 = /dev/cumx0 Callout device for ttyMX0 2403 1 = /dev/cumx1 Callout device for ttyMX1 2404 ... 2405 127 = /dev/cumx127 Callout device for ttyMX127 2406 2407 174 char SmartIO serial card 2408 0 = /dev/ttySI0 First SmartIO port 2409 1 = /dev/ttySI1 Second SmartIO port 2410 ... 2411 2412 175 char SmartIO serial card - alternate devices 2413 0 = /dev/cusi0 Callout device for ttySI0 2414 1 = /dev/cusi1 Callout device for ttySI1 2415 ... 2416 2417 176 char nCipher nFast PCI crypto accelerator 2418 0 = /dev/nfastpci0 First nFast PCI device 2419 1 = /dev/nfastpci1 First nFast PCI device 2420 ... 2421 2422 177 char TI PCILynx memory spaces 2423 0 = /dev/pcilynx/aux0 AUX space of first PCILynx card 2424 ... 2425 15 = /dev/pcilynx/aux15 AUX space of 16th PCILynx card 2426 16 = /dev/pcilynx/rom0 ROM space of first PCILynx card 2427 ... 2428 31 = /dev/pcilynx/rom15 ROM space of 16th PCILynx card 2429 32 = /dev/pcilynx/ram0 RAM space of first PCILynx card 2430 ... 2431 47 = /dev/pcilynx/ram15 RAM space of 16th PCILynx card 2432 2433 178 char Giganet cLAN1xxx virtual interface adapter 2434 0 = /dev/clanvi0 First cLAN adapter 2435 1 = /dev/clanvi1 Second cLAN adapter 2436 ... 2437 2438 179 block MMC block devices 2439 0 = /dev/mmcblk0 First SD/MMC card 2440 1 = /dev/mmcblk0p1 First partition on first MMC card 2441 8 = /dev/mmcblk1 Second SD/MMC card 2442 ... 2443 2444 The start of next SD/MMC card can be configured with 2445 CONFIG_MMC_BLOCK_MINORS, or overridden at boot/modprobe 2446 time using the mmcblk.perdev_minors option. That would 2447 bump the offset between each card to be the configured 2448 value instead of the default 8. 2449 2450 179 char CCube DVXChip-based PCI products 2451 0 = /dev/dvxirq0 First DVX device 2452 1 = /dev/dvxirq1 Second DVX device 2453 ... 2454 2455 180 char USB devices 2456 0 = /dev/usb/lp0 First USB printer 2457 ... 2458 15 = /dev/usb/lp15 16th USB printer 2459 48 = /dev/usb/scanner0 First USB scanner 2460 ... 2461 63 = /dev/usb/scanner15 16th USB scanner 2462 64 = /dev/usb/rio500 Diamond Rio 500 2463 65 = /dev/usb/usblcd USBLCD Interface (info@usblcd.de) 2464 66 = /dev/usb/cpad0 Synaptics cPad (mouse/LCD) 2465 96 = /dev/usb/hiddev0 1st USB HID device 2466 ... 2467 111 = /dev/usb/hiddev15 16th USB HID device 2468 112 = /dev/usb/auer0 1st auerswald ISDN device 2469 ... 2470 127 = /dev/usb/auer15 16th auerswald ISDN device 2471 128 = /dev/usb/brlvgr0 First Braille Voyager device 2472 ... 2473 131 = /dev/usb/brlvgr3 Fourth Braille Voyager device 2474 132 = /dev/usb/idmouse ID Mouse (fingerprint scanner) device 2475 133 = /dev/usb/sisusbvga1 First SiSUSB VGA device 2476 ... 2477 140 = /dev/usb/sisusbvga8 Eighth SISUSB VGA device 2478 144 = /dev/usb/lcd USB LCD device 2479 160 = /dev/usb/legousbtower0 1st USB Legotower device 2480 ... 2481 175 = /dev/usb/legousbtower15 16th USB Legotower device 2482 176 = /dev/usb/usbtmc1 First USB TMC device 2483 ... 2484 191 = /dev/usb/usbtmc16 16th USB TMC device 2485 192 = /dev/usb/yurex1 First USB Yurex device 2486 ... 2487 209 = /dev/usb/yurex16 16th USB Yurex device 2488 2489 180 block USB block devices 2490 0 = /dev/uba First USB block device 2491 8 = /dev/ubb Second USB block device 2492 16 = /dev/ubc Third USB block device 2493 ... 2494 2495 181 char Conrad Electronic parallel port radio clocks 2496 0 = /dev/pcfclock0 First Conrad radio clock 2497 1 = /dev/pcfclock1 Second Conrad radio clock 2498 ... 2499 2500 182 char Picture Elements THR2 binarizer 2501 0 = /dev/pethr0 First THR2 board 2502 1 = /dev/pethr1 Second THR2 board 2503 ... 2504 2505 183 char SST 5136-DN DeviceNet interface 2506 0 = /dev/ss5136dn0 First DeviceNet interface 2507 1 = /dev/ss5136dn1 Second DeviceNet interface 2508 ... 2509 2510 This device used to be assigned to major number 144. 2511 It had to be moved due to an unfortunate conflict. 2512 2513 184 char Picture Elements' video simulator/sender 2514 0 = /dev/pevss0 First sender board 2515 1 = /dev/pevss1 Second sender board 2516 ... 2517 2518 185 char InterMezzo high availability file system 2519 0 = /dev/intermezzo0 First cache manager 2520 1 = /dev/intermezzo1 Second cache manager 2521 ... 2522 2523 See http://web.archive.org/web/20080115195241/ 2524 http://inter-mezzo.org/index.html 2525 2526 186 char Object-based storage control device 2527 0 = /dev/obd0 First obd control device 2528 1 = /dev/obd1 Second obd control device 2529 ... 2530 2531 See ftp://ftp.lustre.org/pub/obd for code and information. 2532 2533 187 char DESkey hardware encryption device 2534 0 = /dev/deskey0 First DES key 2535 1 = /dev/deskey1 Second DES key 2536 ... 2537 2538 188 char USB serial converters 2539 0 = /dev/ttyUSB0 First USB serial converter 2540 1 = /dev/ttyUSB1 Second USB serial converter 2541 ... 2542 2543 189 char USB serial converters - alternate devices 2544 0 = /dev/cuusb0 Callout device for ttyUSB0 2545 1 = /dev/cuusb1 Callout device for ttyUSB1 2546 ... 2547 2548 190 char Kansas City tracker/tuner card 2549 0 = /dev/kctt0 First KCT/T card 2550 1 = /dev/kctt1 Second KCT/T card 2551 ... 2552 2553 191 char Reserved for PCMCIA 2554 2555 192 char Kernel profiling interface 2556 0 = /dev/profile Profiling control device 2557 1 = /dev/profile0 Profiling device for CPU 0 2558 2 = /dev/profile1 Profiling device for CPU 1 2559 ... 2560 2561 193 char Kernel event-tracing interface 2562 0 = /dev/trace Tracing control device 2563 1 = /dev/trace0 Tracing device for CPU 0 2564 2 = /dev/trace1 Tracing device for CPU 1 2565 ... 2566 2567 194 char linVideoStreams (LINVS) 2568 0 = /dev/mvideo/status0 Video compression status 2569 1 = /dev/mvideo/stream0 Video stream 2570 2 = /dev/mvideo/frame0 Single compressed frame 2571 3 = /dev/mvideo/rawframe0 Raw uncompressed frame 2572 4 = /dev/mvideo/codec0 Direct codec access 2573 5 = /dev/mvideo/video4linux0 Video4Linux compatibility 2574 2575 16 = /dev/mvideo/status1 Second device 2576 ... 2577 32 = /dev/mvideo/status2 Third device 2578 ... 2579 ... 2580 240 = /dev/mvideo/status15 16th device 2581 ... 2582 2583 195 char Nvidia graphics devices 2584 0 = /dev/nvidia0 First Nvidia card 2585 1 = /dev/nvidia1 Second Nvidia card 2586 ... 2587 255 = /dev/nvidiactl Nvidia card control device 2588 2589 196 char Tormenta T1 card 2590 0 = /dev/tor/0 Master control channel for all cards 2591 1 = /dev/tor/1 First DS0 2592 2 = /dev/tor/2 Second DS0 2593 ... 2594 48 = /dev/tor/48 48th DS0 2595 49 = /dev/tor/49 First pseudo-channel 2596 50 = /dev/tor/50 Second pseudo-channel 2597 ... 2598 2599 197 char OpenTNF tracing facility 2600 0 = /dev/tnf/t0 Trace 0 data extraction 2601 1 = /dev/tnf/t1 Trace 1 data extraction 2602 ... 2603 128 = /dev/tnf/status Tracing facility status 2604 130 = /dev/tnf/trace Tracing device 2605 2606 198 char Total Impact TPMP2 quad coprocessor PCI card 2607 0 = /dev/tpmp2/0 First card 2608 1 = /dev/tpmp2/1 Second card 2609 ... 2610 2611 199 char Veritas volume manager (VxVM) volumes 2612 0 = /dev/vx/rdsk/*/* First volume 2613 1 = /dev/vx/rdsk/*/* Second volume 2614 ... 2615 2616 199 block Veritas volume manager (VxVM) volumes 2617 0 = /dev/vx/dsk/*/* First volume 2618 1 = /dev/vx/dsk/*/* Second volume 2619 ... 2620 2621 The namespace in these directories is maintained by 2622 the user space VxVM software. 2623 2624 200 char Veritas VxVM configuration interface 2625 0 = /dev/vx/config Configuration access node 2626 1 = /dev/vx/trace Volume i/o trace access node 2627 2 = /dev/vx/iod Volume i/o daemon access node 2628 3 = /dev/vx/info Volume information access node 2629 4 = /dev/vx/task Volume tasks access node 2630 5 = /dev/vx/taskmon Volume tasks monitor daemon 2631 2632 201 char Veritas VxVM dynamic multipathing driver 2633 0 = /dev/vx/rdmp/* First multipath device 2634 1 = /dev/vx/rdmp/* Second multipath device 2635 ... 2636 201 block Veritas VxVM dynamic multipathing driver 2637 0 = /dev/vx/dmp/* First multipath device 2638 1 = /dev/vx/dmp/* Second multipath device 2639 ... 2640 2641 The namespace in these directories is maintained by 2642 the user space VxVM software. 2643 2644 202 char CPU model-specific registers 2645 0 = /dev/cpu/0/msr MSRs on CPU 0 2646 1 = /dev/cpu/1/msr MSRs on CPU 1 2647 ... 2648 2649 202 block Xen Virtual Block Device 2650 0 = /dev/xvda First Xen VBD whole disk 2651 16 = /dev/xvdb Second Xen VBD whole disk 2652 32 = /dev/xvdc Third Xen VBD whole disk 2653 ... 2654 240 = /dev/xvdp Sixteenth Xen VBD whole disk 2655 2656 Partitions are handled in the same way as for IDE 2657 disks (see major number 3) except that the limit on 2658 partitions is 15. 2659 2660 203 char CPU CPUID information 2661 0 = /dev/cpu/0/cpuid CPUID on CPU 0 2662 1 = /dev/cpu/1/cpuid CPUID on CPU 1 2663 ... 2664 2665 204 char Low-density serial ports 2666 0 = /dev/ttyLU0 LinkUp Systems L72xx UART - port 0 2667 1 = /dev/ttyLU1 LinkUp Systems L72xx UART - port 1 2668 2 = /dev/ttyLU2 LinkUp Systems L72xx UART - port 2 2669 3 = /dev/ttyLU3 LinkUp Systems L72xx UART - port 3 2670 4 = /dev/ttyFB0 Intel Footbridge (ARM) 2671 5 = /dev/ttySA0 StrongARM builtin serial port 0 2672 6 = /dev/ttySA1 StrongARM builtin serial port 1 2673 7 = /dev/ttySA2 StrongARM builtin serial port 2 2674 8 = /dev/ttySC0 SCI serial port (SuperH) - port 0 2675 9 = /dev/ttySC1 SCI serial port (SuperH) - port 1 2676 10 = /dev/ttySC2 SCI serial port (SuperH) - port 2 2677 11 = /dev/ttySC3 SCI serial port (SuperH) - port 3 2678 12 = /dev/ttyFW0 Firmware console - port 0 2679 13 = /dev/ttyFW1 Firmware console - port 1 2680 14 = /dev/ttyFW2 Firmware console - port 2 2681 15 = /dev/ttyFW3 Firmware console - port 3 2682 16 = /dev/ttyAM0 ARM "AMBA" serial port 0 2683 ... 2684 31 = /dev/ttyAM15 ARM "AMBA" serial port 15 2685 32 = /dev/ttyDB0 DataBooster serial port 0 2686 ... 2687 39 = /dev/ttyDB7 DataBooster serial port 7 2688 40 = /dev/ttySG0 SGI Altix console port 2689 41 = /dev/ttySMX0 Motorola i.MX - port 0 2690 42 = /dev/ttySMX1 Motorola i.MX - port 1 2691 43 = /dev/ttySMX2 Motorola i.MX - port 2 2692 44 = /dev/ttyMM0 Marvell MPSC - port 0 2693 45 = /dev/ttyMM1 Marvell MPSC - port 1 2694 46 = /dev/ttyCPM0 PPC CPM (SCC or SMC) - port 0 2695 ... 2696 47 = /dev/ttyCPM5 PPC CPM (SCC or SMC) - port 5 2697 50 = /dev/ttyIOC0 Altix serial card 2698 ... 2699 81 = /dev/ttyIOC31 Altix serial card 2700 82 = /dev/ttyVR0 NEC VR4100 series SIU 2701 83 = /dev/ttyVR1 NEC VR4100 series DSIU 2702 84 = /dev/ttyIOC84 Altix ioc4 serial card 2703 ... 2704 115 = /dev/ttyIOC115 Altix ioc4 serial card 2705 116 = /dev/ttySIOC0 Altix ioc3 serial card 2706 ... 2707 147 = /dev/ttySIOC31 Altix ioc3 serial card 2708 148 = /dev/ttyPSC0 PPC PSC - port 0 2709 ... 2710 153 = /dev/ttyPSC5 PPC PSC - port 5 2711 154 = /dev/ttyAT0 ATMEL serial port 0 2712 ... 2713 169 = /dev/ttyAT15 ATMEL serial port 15 2714 170 = /dev/ttyNX0 Hilscher netX serial port 0 2715 ... 2716 185 = /dev/ttyNX15 Hilscher netX serial port 15 2717 186 = /dev/ttyJ0 JTAG1 DCC protocol based serial port emulation 2718 187 = /dev/ttyUL0 Xilinx uartlite - port 0 2719 ... 2720 190 = /dev/ttyUL3 Xilinx uartlite - port 3 2721 191 = /dev/xvc0 Xen virtual console - port 0 2722 192 = /dev/ttyPZ0 pmac_zilog - port 0 2723 ... 2724 195 = /dev/ttyPZ3 pmac_zilog - port 3 2725 196 = /dev/ttyTX0 TX39/49 serial port 0 2726 ... 2727 204 = /dev/ttyTX7 TX39/49 serial port 7 2728 205 = /dev/ttySC0 SC26xx serial port 0 2729 206 = /dev/ttySC1 SC26xx serial port 1 2730 207 = /dev/ttySC2 SC26xx serial port 2 2731 208 = /dev/ttySC3 SC26xx serial port 3 2732 209 = /dev/ttyMAX0 MAX3100 serial port 0 2733 210 = /dev/ttyMAX1 MAX3100 serial port 1 2734 211 = /dev/ttyMAX2 MAX3100 serial port 2 2735 212 = /dev/ttyMAX3 MAX3100 serial port 3 2736 2737 205 char Low-density serial ports (alternate device) 2738 0 = /dev/culu0 Callout device for ttyLU0 2739 1 = /dev/culu1 Callout device for ttyLU1 2740 2 = /dev/culu2 Callout device for ttyLU2 2741 3 = /dev/culu3 Callout device for ttyLU3 2742 4 = /dev/cufb0 Callout device for ttyFB0 2743 5 = /dev/cusa0 Callout device for ttySA0 2744 6 = /dev/cusa1 Callout device for ttySA1 2745 7 = /dev/cusa2 Callout device for ttySA2 2746 8 = /dev/cusc0 Callout device for ttySC0 2747 9 = /dev/cusc1 Callout device for ttySC1 2748 10 = /dev/cusc2 Callout device for ttySC2 2749 11 = /dev/cusc3 Callout device for ttySC3 2750 12 = /dev/cufw0 Callout device for ttyFW0 2751 13 = /dev/cufw1 Callout device for ttyFW1 2752 14 = /dev/cufw2 Callout device for ttyFW2 2753 15 = /dev/cufw3 Callout device for ttyFW3 2754 16 = /dev/cuam0 Callout device for ttyAM0 2755 ... 2756 31 = /dev/cuam15 Callout device for ttyAM15 2757 32 = /dev/cudb0 Callout device for ttyDB0 2758 ... 2759 39 = /dev/cudb7 Callout device for ttyDB7 2760 40 = /dev/cusg0 Callout device for ttySG0 2761 41 = /dev/ttycusmx0 Callout device for ttySMX0 2762 42 = /dev/ttycusmx1 Callout device for ttySMX1 2763 43 = /dev/ttycusmx2 Callout device for ttySMX2 2764 46 = /dev/cucpm0 Callout device for ttyCPM0 2765 ... 2766 49 = /dev/cucpm5 Callout device for ttyCPM5 2767 50 = /dev/cuioc40 Callout device for ttyIOC40 2768 ... 2769 81 = /dev/cuioc431 Callout device for ttyIOC431 2770 82 = /dev/cuvr0 Callout device for ttyVR0 2771 83 = /dev/cuvr1 Callout device for ttyVR1 2772 2773 206 char OnStream SC-x0 tape devices 2774 0 = /dev/osst0 First OnStream SCSI tape, mode 0 2775 1 = /dev/osst1 Second OnStream SCSI tape, mode 0 2776 ... 2777 32 = /dev/osst0l First OnStream SCSI tape, mode 1 2778 33 = /dev/osst1l Second OnStream SCSI tape, mode 1 2779 ... 2780 64 = /dev/osst0m First OnStream SCSI tape, mode 2 2781 65 = /dev/osst1m Second OnStream SCSI tape, mode 2 2782 ... 2783 96 = /dev/osst0a First OnStream SCSI tape, mode 3 2784 97 = /dev/osst1a Second OnStream SCSI tape, mode 3 2785 ... 2786 128 = /dev/nosst0 No rewind version of /dev/osst0 2787 129 = /dev/nosst1 No rewind version of /dev/osst1 2788 ... 2789 160 = /dev/nosst0l No rewind version of /dev/osst0l 2790 161 = /dev/nosst1l No rewind version of /dev/osst1l 2791 ... 2792 192 = /dev/nosst0m No rewind version of /dev/osst0m 2793 193 = /dev/nosst1m No rewind version of /dev/osst1m 2794 ... 2795 224 = /dev/nosst0a No rewind version of /dev/osst0a 2796 225 = /dev/nosst1a No rewind version of /dev/osst1a 2797 ... 2798 2799 The OnStream SC-x0 SCSI tapes do not support the 2800 standard SCSI SASD command set and therefore need 2801 their own driver "osst". Note that the IDE, USB (and 2802 maybe ParPort) versions may be driven via ide-scsi or 2803 usb-storage SCSI emulation and this osst device and 2804 driver as well. The ADR-x0 drives are QIC-157 2805 compliant and don't need osst. 2806 2807 207 char Compaq ProLiant health feature indicate 2808 0 = /dev/cpqhealth/cpqw Redirector interface 2809 1 = /dev/cpqhealth/crom EISA CROM 2810 2 = /dev/cpqhealth/cdt Data Table 2811 3 = /dev/cpqhealth/cevt Event Log 2812 4 = /dev/cpqhealth/casr Automatic Server Recovery 2813 5 = /dev/cpqhealth/cecc ECC Memory 2814 6 = /dev/cpqhealth/cmca Machine Check Architecture 2815 7 = /dev/cpqhealth/ccsm Deprecated CDT 2816 8 = /dev/cpqhealth/cnmi NMI Handling 2817 9 = /dev/cpqhealth/css Sideshow Management 2818 10 = /dev/cpqhealth/cram CMOS interface 2819 11 = /dev/cpqhealth/cpci PCI IRQ interface 2820 2821 208 char User space serial ports 2822 0 = /dev/ttyU0 First user space serial port 2823 1 = /dev/ttyU1 Second user space serial port 2824 ... 2825 2826 209 char User space serial ports (alternate devices) 2827 0 = /dev/cuu0 Callout device for ttyU0 2828 1 = /dev/cuu1 Callout device for ttyU1 2829 ... 2830 2831 210 char SBE, Inc. sync/async serial card 2832 0 = /dev/sbei/wxcfg0 Configuration device for board 0 2833 1 = /dev/sbei/dld0 Download device for board 0 2834 2 = /dev/sbei/wan00 WAN device, port 0, board 0 2835 3 = /dev/sbei/wan01 WAN device, port 1, board 0 2836 4 = /dev/sbei/wan02 WAN device, port 2, board 0 2837 5 = /dev/sbei/wan03 WAN device, port 3, board 0 2838 6 = /dev/sbei/wanc00 WAN clone device, port 0, board 0 2839 7 = /dev/sbei/wanc01 WAN clone device, port 1, board 0 2840 8 = /dev/sbei/wanc02 WAN clone device, port 2, board 0 2841 9 = /dev/sbei/wanc03 WAN clone device, port 3, board 0 2842 10 = /dev/sbei/wxcfg1 Configuration device for board 1 2843 11 = /dev/sbei/dld1 Download device for board 1 2844 12 = /dev/sbei/wan10 WAN device, port 0, board 1 2845 13 = /dev/sbei/wan11 WAN device, port 1, board 1 2846 14 = /dev/sbei/wan12 WAN device, port 2, board 1 2847 15 = /dev/sbei/wan13 WAN device, port 3, board 1 2848 16 = /dev/sbei/wanc10 WAN clone device, port 0, board 1 2849 17 = /dev/sbei/wanc11 WAN clone device, port 1, board 1 2850 18 = /dev/sbei/wanc12 WAN clone device, port 2, board 1 2851 19 = /dev/sbei/wanc13 WAN clone device, port 3, board 1 2852 ... 2853 2854 Yes, each board is really spaced 10 (decimal) apart. 2855 2856 211 char Addinum CPCI1500 digital I/O card 2857 0 = /dev/addinum/cpci1500/0 First CPCI1500 card 2858 1 = /dev/addinum/cpci1500/1 Second CPCI1500 card 2859 ... 2860 2861 212 char LinuxTV.org DVB driver subsystem 2862 0 = /dev/dvb/adapter0/video0 first video decoder of first card 2863 1 = /dev/dvb/adapter0/audio0 first audio decoder of first card 2864 2 = /dev/dvb/adapter0/sec0 (obsolete/unused) 2865 3 = /dev/dvb/adapter0/frontend0 first frontend device of first card 2866 4 = /dev/dvb/adapter0/demux0 first demux device of first card 2867 5 = /dev/dvb/adapter0/dvr0 first digital video recoder device of first card 2868 6 = /dev/dvb/adapter0/ca0 first common access port of first card 2869 7 = /dev/dvb/adapter0/net0 first network device of first card 2870 8 = /dev/dvb/adapter0/osd0 first on-screen-display device of first card 2871 9 = /dev/dvb/adapter0/video1 second video decoder of first card 2872 ... 2873 64 = /dev/dvb/adapter1/video0 first video decoder of second card 2874 ... 2875 128 = /dev/dvb/adapter2/video0 first video decoder of third card 2876 ... 2877 196 = /dev/dvb/adapter3/video0 first video decoder of fourth card 2878 2879 216 char Bluetooth RFCOMM TTY devices 2880 0 = /dev/rfcomm0 First Bluetooth RFCOMM TTY device 2881 1 = /dev/rfcomm1 Second Bluetooth RFCOMM TTY device 2882 ... 2883 2884 217 char Bluetooth RFCOMM TTY devices (alternate devices) 2885 0 = /dev/curf0 Callout device for rfcomm0 2886 1 = /dev/curf1 Callout device for rfcomm1 2887 ... 2888 2889 218 char The Logical Company bus Unibus/Qbus adapters 2890 0 = /dev/logicalco/bci/0 First bus adapter 2891 1 = /dev/logicalco/bci/1 First bus adapter 2892 ... 2893 2894 219 char The Logical Company DCI-1300 digital I/O card 2895 0 = /dev/logicalco/dci1300/0 First DCI-1300 card 2896 1 = /dev/logicalco/dci1300/1 Second DCI-1300 card 2897 ... 2898 2899 220 char Myricom Myrinet "GM" board 2900 0 = /dev/myricom/gm0 First Myrinet GM board 2901 1 = /dev/myricom/gmp0 First board "root access" 2902 2 = /dev/myricom/gm1 Second Myrinet GM board 2903 3 = /dev/myricom/gmp1 Second board "root access" 2904 ... 2905 2906 221 char VME bus 2907 0 = /dev/bus/vme/m0 First master image 2908 1 = /dev/bus/vme/m1 Second master image 2909 2 = /dev/bus/vme/m2 Third master image 2910 3 = /dev/bus/vme/m3 Fourth master image 2911 4 = /dev/bus/vme/s0 First slave image 2912 5 = /dev/bus/vme/s1 Second slave image 2913 6 = /dev/bus/vme/s2 Third slave image 2914 7 = /dev/bus/vme/s3 Fourth slave image 2915 8 = /dev/bus/vme/ctl Control 2916 2917 It is expected that all VME bus drivers will use the 2918 same interface. For interface documentation see 2919 http://www.vmelinux.org/. 2920 2921 224 char A2232 serial card 2922 0 = /dev/ttyY0 First A2232 port 2923 1 = /dev/ttyY1 Second A2232 port 2924 ... 2925 2926 225 char A2232 serial card (alternate devices) 2927 0 = /dev/cuy0 Callout device for ttyY0 2928 1 = /dev/cuy1 Callout device for ttyY1 2929 ... 2930 2931 226 char Direct Rendering Infrastructure (DRI) 2932 0 = /dev/dri/card0 First graphics card 2933 1 = /dev/dri/card1 Second graphics card 2934 ... 2935 2936 227 char IBM 3270 terminal Unix tty access 2937 1 = /dev/3270/tty1 First 3270 terminal 2938 2 = /dev/3270/tty2 Seconds 3270 terminal 2939 ... 2940 2941 228 char IBM 3270 terminal block-mode access 2942 0 = /dev/3270/tub Controlling interface 2943 1 = /dev/3270/tub1 First 3270 terminal 2944 2 = /dev/3270/tub2 Second 3270 terminal 2945 ... 2946 2947 229 char IBM iSeries/pSeries virtual console 2948 0 = /dev/hvc0 First console port 2949 1 = /dev/hvc1 Second console port 2950 ... 2951 2952 230 char IBM iSeries virtual tape 2953 0 = /dev/iseries/vt0 First virtual tape, mode 0 2954 1 = /dev/iseries/vt1 Second virtual tape, mode 0 2955 ... 2956 32 = /dev/iseries/vt0l First virtual tape, mode 1 2957 33 = /dev/iseries/vt1l Second virtual tape, mode 1 2958 ... 2959 64 = /dev/iseries/vt0m First virtual tape, mode 2 2960 65 = /dev/iseries/vt1m Second virtual tape, mode 2 2961 ... 2962 96 = /dev/iseries/vt0a First virtual tape, mode 3 2963 97 = /dev/iseries/vt1a Second virtual tape, mode 3 2964 ... 2965 128 = /dev/iseries/nvt0 First virtual tape, mode 0, no rewind 2966 129 = /dev/iseries/nvt1 Second virtual tape, mode 0, no rewind 2967 ... 2968 160 = /dev/iseries/nvt0l First virtual tape, mode 1, no rewind 2969 161 = /dev/iseries/nvt1l Second virtual tape, mode 1, no rewind 2970 ... 2971 192 = /dev/iseries/nvt0m First virtual tape, mode 2, no rewind 2972 193 = /dev/iseries/nvt1m Second virtual tape, mode 2, no rewind 2973 ... 2974 224 = /dev/iseries/nvt0a First virtual tape, mode 3, no rewind 2975 225 = /dev/iseries/nvt1a Second virtual tape, mode 3, no rewind 2976 ... 2977 2978 "No rewind" refers to the omission of the default 2979 automatic rewind on device close. The MTREW or MTOFFL 2980 ioctl()'s can be used to rewind the tape regardless of 2981 the device used to access it. 2982 2983 231 char InfiniBand 2984 0 = /dev/infiniband/umad0 2985 1 = /dev/infiniband/umad1 2986 ... 2987 63 = /dev/infiniband/umad63 63rd InfiniBandMad device 2988 64 = /dev/infiniband/issm0 First InfiniBand IsSM device 2989 65 = /dev/infiniband/issm1 Second InfiniBand IsSM device 2990 ... 2991 127 = /dev/infiniband/issm63 63rd InfiniBand IsSM device 2992 128 = /dev/infiniband/uverbs0 First InfiniBand verbs device 2993 129 = /dev/infiniband/uverbs1 Second InfiniBand verbs device 2994 ... 2995 159 = /dev/infiniband/uverbs31 31st InfiniBand verbs device 2996 2997 232 char Biometric Devices 2998 0 = /dev/biometric/sensor0/fingerprint first fingerprint sensor on first device 2999 1 = /dev/biometric/sensor0/iris first iris sensor on first device 3000 2 = /dev/biometric/sensor0/retina first retina sensor on first device 3001 3 = /dev/biometric/sensor0/voiceprint first voiceprint sensor on first device 3002 4 = /dev/biometric/sensor0/facial first facial sensor on first device 3003 5 = /dev/biometric/sensor0/hand first hand sensor on first device 3004 ... 3005 10 = /dev/biometric/sensor1/fingerprint first fingerprint sensor on second device 3006 ... 3007 20 = /dev/biometric/sensor2/fingerprint first fingerprint sensor on third device 3008 ... 3009 3010 233 char PathScale InfiniPath interconnect 3011 0 = /dev/ipath Primary device for programs (any unit) 3012 1 = /dev/ipath0 Access specifically to unit 0 3013 2 = /dev/ipath1 Access specifically to unit 1 3014 ... 3015 4 = /dev/ipath3 Access specifically to unit 3 3016 129 = /dev/ipath_sma Device used by Subnet Management Agent 3017 130 = /dev/ipath_diag Device used by diagnostics programs 3018 3019 234-254 char RESERVED FOR DYNAMIC ASSIGNMENT 3020 Character devices that request a dynamic allocation of major number will 3021 take numbers starting from 254 and downward. 3022 3023 240-254 block LOCAL/EXPERIMENTAL USE 3024 Allocated for local/experimental use. For devices not 3025 assigned official numbers, these ranges should be 3026 used in order to avoid conflicting with future assignments. 3027 3028 255 char RESERVED 3029 3030 255 block RESERVED 3031 3032 This major is reserved to assist the expansion to a 3033 larger number space. No device nodes with this major 3034 should ever be created on the filesystem. 3035 (This is probably not true anymore, but I'll leave it 3036 for now /Torben) 3037 3038 ---LARGE MAJORS!!!!!--- 3039 3040 256 char Equinox SST multi-port serial boards 3041 0 = /dev/ttyEQ0 First serial port on first Equinox SST board 3042 127 = /dev/ttyEQ127 Last serial port on first Equinox SST board 3043 128 = /dev/ttyEQ128 First serial port on second Equinox SST board 3044 ... 3045 1027 = /dev/ttyEQ1027 Last serial port on eighth Equinox SST board 3046 3047 256 block Resident Flash Disk Flash Translation Layer 3048 0 = /dev/rfda First RFD FTL layer 3049 16 = /dev/rfdb Second RFD FTL layer 3050 ... 3051 240 = /dev/rfdp 16th RFD FTL layer 3052 3053 257 char Phoenix Technologies Cryptographic Services Driver 3054 0 = /dev/ptlsec Crypto Services Driver 3055 3056 257 block SSFDC Flash Translation Layer filesystem 3057 0 = /dev/ssfdca First SSFDC layer 3058 8 = /dev/ssfdcb Second SSFDC layer 3059 16 = /dev/ssfdcc Third SSFDC layer 3060 24 = /dev/ssfdcd 4th SSFDC layer 3061 32 = /dev/ssfdce 5th SSFDC layer 3062 40 = /dev/ssfdcf 6th SSFDC layer 3063 48 = /dev/ssfdcg 7th SSFDC layer 3064 56 = /dev/ssfdch 8th SSFDC layer 3065 3066 258 block ROM/Flash read-only translation layer 3067 0 = /dev/blockrom0 First ROM card's translation layer interface 3068 1 = /dev/blockrom1 Second ROM card's translation layer interface 3069 ... 3070 3071 259 block Block Extended Major 3072 Used dynamically to hold additional partition minor 3073 numbers and allow large numbers of partitions per device 3074 3075 259 char FPGA configuration interfaces 3076 0 = /dev/icap0 First Xilinx internal configuration 3077 1 = /dev/icap1 Second Xilinx internal configuration 3078 3079 260 char OSD (Object-based-device) SCSI Device 3080 0 = /dev/osd0 First OSD Device 3081 1 = /dev/osd1 Second OSD Device 3082 ... 3083 255 = /dev/osd255 256th OSD Device 3084