1What: /sys/class/hwmon/hwmonX/name 2Description: 3 The chip name. 4 This should be a short, lowercase string, not containing 5 whitespace, dashes, or the wildcard character '*'. 6 This attribute represents the chip name. It is the only 7 mandatory attribute. 8 I2C devices get this attribute created automatically. 9 10 RO 11 12What: /sys/class/hwmon/hwmonX/label 13Description: 14 A descriptive label that allows to uniquely identify a 15 device within the system. 16 The contents of the label are free-form. 17 18 RO 19 20What: /sys/class/hwmon/hwmonX/update_interval 21Description: 22 The interval at which the chip will update readings. 23 Unit: millisecond 24 25 RW 26 27 Some devices have a variable update rate or interval. 28 This attribute can be used to change it to the desired value. 29 30What: /sys/class/hwmon/hwmonX/inY_min 31Description: 32 Voltage min value. 33 34 Unit: millivolt 35 36 RW 37 38What: /sys/class/hwmon/hwmonX/inY_lcrit 39Description: 40 Voltage critical min value. 41 42 Unit: millivolt 43 44 RW 45 46 If voltage drops to or below this limit, the system may 47 take drastic action such as power down or reset. At the very 48 least, it should report a fault. 49 50What: /sys/class/hwmon/hwmonX/inY_max 51Description: 52 Voltage max value. 53 54 Unit: millivolt 55 56 RW 57 58What: /sys/class/hwmon/hwmonX/inY_crit 59Description: 60 Voltage critical max value. 61 62 Unit: millivolt 63 64 RW 65 66 If voltage reaches or exceeds this limit, the system may 67 take drastic action such as power down or reset. At the very 68 least, it should report a fault. 69 70What: /sys/class/hwmon/hwmonX/inY_input 71Description: 72 Voltage input value. 73 74 Unit: millivolt 75 76 RO 77 78 Voltage measured on the chip pin. 79 80 Actual voltage depends on the scaling resistors on the 81 motherboard, as recommended in the chip datasheet. 82 83 This varies by chip and by motherboard. 84 Because of this variation, values are generally NOT scaled 85 by the chip driver, and must be done by the application. 86 However, some drivers (notably lm87 and via686a) 87 do scale, because of internal resistors built into a chip. 88 These drivers will output the actual voltage. Rule of 89 thumb: drivers should report the voltage values at the 90 "pins" of the chip. 91 92What: /sys/class/hwmon/hwmonX/inY_average 93Description: 94 Average voltage 95 96 Unit: millivolt 97 98 RO 99 100What: /sys/class/hwmon/hwmonX/inY_lowest 101Description: 102 Historical minimum voltage 103 104 Unit: millivolt 105 106 RO 107 108What: /sys/class/hwmon/hwmonX/inY_highest 109Description: 110 Historical maximum voltage 111 112 Unit: millivolt 113 114 RO 115 116What: /sys/class/hwmon/hwmonX/inY_reset_history 117Description: 118 Reset inX_lowest and inX_highest 119 120 WO 121 122What: /sys/class/hwmon/hwmonX/in_reset_history 123Description: 124 Reset inX_lowest and inX_highest for all sensors 125 126 WO 127 128What: /sys/class/hwmon/hwmonX/inY_label 129Description: 130 Suggested voltage channel label. 131 132 Text string 133 134 Should only be created if the driver has hints about what 135 this voltage channel is being used for, and user-space 136 doesn't. In all other cases, the label is provided by 137 user-space. 138 139 RO 140 141What: /sys/class/hwmon/hwmonX/inY_enable 142Description: 143 Enable or disable the sensors. 144 145 When disabled the sensor read will return -ENODATA. 146 147 - 1: Enable 148 - 0: Disable 149 150 RW 151 152What: /sys/class/hwmon/hwmonX/inY_fault 153Description: 154 Reports a voltage hard failure (eg: shorted component) 155 156 - 1: Failed 157 - 0: Ok 158 159 RO 160 161What: /sys/class/hwmon/hwmonX/cpuY_vid 162Description: 163 CPU core reference voltage. 164 165 Unit: millivolt 166 167 RO 168 169 Not always correct. 170 171What: /sys/class/hwmon/hwmonX/vrm 172Description: 173 Voltage Regulator Module version number. 174 175 RW (but changing it should no more be necessary) 176 177 Originally the VRM standard version multiplied by 10, but now 178 an arbitrary number, as not all standards have a version 179 number. 180 181 Affects the way the driver calculates the CPU core reference 182 voltage from the vid pins. 183 184What: /sys/class/hwmon/hwmonX/inY_rated_min 185Description: 186 Minimum rated voltage. 187 188 Unit: millivolt 189 190 RO 191 192What: /sys/class/hwmon/hwmonX/inY_rated_max 193Description: 194 Maximum rated voltage. 195 196 Unit: millivolt 197 198 RO 199 200What: /sys/class/hwmon/hwmonX/fanY_min 201Description: 202 Fan minimum value 203 204 Unit: revolution/min (RPM) 205 206 RW 207 208What: /sys/class/hwmon/hwmonX/fanY_max 209Description: 210 Fan maximum value 211 212 Unit: revolution/min (RPM) 213 214 Only rarely supported by the hardware. 215 RW 216 217What: /sys/class/hwmon/hwmonX/fanY_input 218Description: 219 Fan input value. 220 221 Unit: revolution/min (RPM) 222 223 RO 224 225What: /sys/class/hwmon/hwmonX/fanY_div 226Description: 227 Fan divisor. 228 229 Integer value in powers of two (1, 2, 4, 8, 16, 32, 64, 128). 230 231 RW 232 233 Some chips only support values 1, 2, 4 and 8. 234 Note that this is actually an internal clock divisor, which 235 affects the measurable speed range, not the read value. 236 237What: /sys/class/hwmon/hwmonX/fanY_pulses 238Description: 239 Number of tachometer pulses per fan revolution. 240 241 Integer value, typically between 1 and 4. 242 243 RW 244 245 This value is a characteristic of the fan connected to the 246 device's input, so it has to be set in accordance with the fan 247 model. 248 249 Should only be created if the chip has a register to configure 250 the number of pulses. In the absence of such a register (and 251 thus attribute) the value assumed by all devices is 2 pulses 252 per fan revolution. 253 254What: /sys/class/hwmon/hwmonX/fanY_target 255Description: 256 Desired fan speed 257 258 Unit: revolution/min (RPM) 259 260 RW 261 262 Only makes sense if the chip supports closed-loop fan speed 263 control based on the measured fan speed. 264 265What: /sys/class/hwmon/hwmonX/fanY_label 266Description: 267 Suggested fan channel label. 268 269 Text string 270 271 Should only be created if the driver has hints about what 272 this fan channel is being used for, and user-space doesn't. 273 In all other cases, the label is provided by user-space. 274 275 RO 276 277What: /sys/class/hwmon/hwmonX/fanY_enable 278Description: 279 Enable or disable the sensors. 280 281 When disabled the sensor read will return -ENODATA. 282 283 - 1: Enable 284 - 0: Disable 285 286 RW 287 288What: /sys/class/hwmon/hwmonX/fanY_fault 289Description: 290 Reports if a fan has reported failure. 291 292 - 1: Failed 293 - 0: Ok 294 295 RO 296 297What: /sys/class/hwmon/hwmonX/pwmY 298Description: 299 Pulse width modulation fan control. 300 301 Integer value in the range 0 to 255 302 303 RW 304 305 255 is max or 100%. 306 307What: /sys/class/hwmon/hwmonX/pwmY_enable 308Description: 309 Fan speed control method: 310 311 - 0: no fan speed control (i.e. fan at full speed) 312 - 1: manual fan speed control enabled (using `pwmY`) 313 - 2+: automatic fan speed control enabled 314 315 Check individual chip documentation files for automatic mode 316 details. 317 318 RW 319 320What: /sys/class/hwmon/hwmonX/pwmY_mode 321Description: 322 - 0: DC mode (direct current) 323 - 1: PWM mode (pulse-width modulation) 324 325 RW 326 327What: /sys/class/hwmon/hwmonX/pwmY_freq 328Description: 329 Base PWM frequency in Hz. 330 331 Only possibly available when pwmN_mode is PWM, but not always 332 present even then. 333 334 RW 335 336What: /sys/class/hwmon/hwmonX/pwmY_auto_channels_temp 337Description: 338 Select which temperature channels affect this PWM output in 339 auto mode. 340 341 Bitfield, 1 is temp1, 2 is temp2, 4 is temp3 etc... 342 Which values are possible depend on the chip used. 343 344 RW 345 346What: /sys/class/hwmon/hwmonX/pwmY_auto_pointZ_pwm 347What: /sys/class/hwmon/hwmonX/pwmY_auto_pointZ_temp 348What: /sys/class/hwmon/hwmonX/pwmY_auto_pointZ_temp_hyst 349Description: 350 Define the PWM vs temperature curve. 351 352 Number of trip points is chip-dependent. Use this for chips 353 which associate trip points to PWM output channels. 354 355 RW 356 357What: /sys/class/hwmon/hwmonX/tempY_auto_pointZ_pwm 358What: /sys/class/hwmon/hwmonX/tempY_auto_pointZ_temp 359What: /sys/class/hwmon/hwmonX/tempY_auto_pointZ_temp_hyst 360Description: 361 Define the PWM vs temperature curve. 362 363 Number of trip points is chip-dependent. Use this for chips 364 which associate trip points to temperature channels. 365 366 RW 367 368What: /sys/class/hwmon/hwmonX/tempY_type 369Description: 370 Sensor type selection. 371 372 Integers 1 to 6 373 374 RW 375 376 - 1: CPU embedded diode 377 - 2: 3904 transistor 378 - 3: thermal diode 379 - 4: thermistor 380 - 5: AMD AMDSI 381 - 6: Intel PECI 382 383 Not all types are supported by all chips 384 385What: /sys/class/hwmon/hwmonX/tempY_max 386Description: 387 Temperature max value. 388 389 Unit: millidegree Celsius (or millivolt, see below) 390 391 RW 392 393What: /sys/class/hwmon/hwmonX/tempY_max_alarm 394Description: 395 Maximum temperature alarm flag. 396 397 - 0: OK 398 - 1: temperature has reached tempY_max 399 400 RO 401 402What: /sys/class/hwmon/hwmonX/tempY_min 403Description: 404 Temperature min value. 405 406 Unit: millidegree Celsius 407 408 RW 409 410What: /sys/class/hwmon/hwmonX/tempY_min_alarm 411Description: 412 Minimum temperature alarm flag. 413 414 - 0: OK 415 - 1: temperature has reached tempY_min 416 417 RO 418 419What: /sys/class/hwmon/hwmonX/tempY_max_hyst 420Description: 421 Temperature hysteresis value for max limit. 422 423 Unit: millidegree Celsius 424 425 Must be reported as an absolute temperature, NOT a delta 426 from the max value. 427 428 RW 429 430What: /sys/class/hwmon/hwmonX/tempY_min_hyst 431Description: 432 Temperature hysteresis value for min limit. 433 Unit: millidegree Celsius 434 435 Must be reported as an absolute temperature, NOT a delta 436 from the min value. 437 438 RW 439 440What: /sys/class/hwmon/hwmonX/tempY_input 441Description: 442 Temperature input value. 443 444 Unit: millidegree Celsius 445 446 RO 447 448What: /sys/class/hwmon/hwmonX/tempY_crit 449Description: 450 Temperature critical max value, typically greater than 451 corresponding temp_max values. 452 453 Unit: millidegree Celsius 454 455 RW 456 457What: /sys/class/hwmon/hwmonX/tempY_crit_alarm 458Description: 459 Critical high temperature alarm flag. 460 461 - 0: OK 462 - 1: temperature has reached tempY_crit 463 464 RO 465 466What: /sys/class/hwmon/hwmonX/tempY_crit_hyst 467Description: 468 Temperature hysteresis value for critical limit. 469 470 Unit: millidegree Celsius 471 472 Must be reported as an absolute temperature, NOT a delta 473 from the critical value. 474 475 RW 476 477What: /sys/class/hwmon/hwmonX/tempY_emergency 478Description: 479 Temperature emergency max value, for chips supporting more than 480 two upper temperature limits. Must be equal or greater than 481 corresponding temp_crit values. 482 483 Unit: millidegree Celsius 484 485 RW 486 487What: /sys/class/hwmon/hwmonX/tempY_emergency_alarm 488Description: 489 Emergency high temperature alarm flag. 490 491 - 0: OK 492 - 1: temperature has reached tempY_emergency 493 494 RO 495 496What: /sys/class/hwmon/hwmonX/tempY_emergency_hyst 497Description: 498 Temperature hysteresis value for emergency limit. 499 500 Unit: millidegree Celsius 501 502 Must be reported as an absolute temperature, NOT a delta 503 from the emergency value. 504 505 RW 506 507What: /sys/class/hwmon/hwmonX/tempY_lcrit 508Description: 509 Temperature critical min value, typically lower than 510 corresponding temp_min values. 511 512 Unit: millidegree Celsius 513 514 RW 515 516What: /sys/class/hwmon/hwmonX/tempY_lcrit_hyst 517Description: 518 Temperature hysteresis value for critical min limit. 519 520 Unit: millidegree Celsius 521 522 Must be reported as an absolute temperature, NOT a delta 523 from the critical min value. 524 525 RW 526 527What: /sys/class/hwmon/hwmonX/tempY_offset 528Description: 529 Temperature offset which is added to the temperature reading 530 by the chip. 531 532 Unit: millidegree Celsius 533 534 Read/Write value. 535 536What: /sys/class/hwmon/hwmonX/tempY_label 537Description: 538 Suggested temperature channel label. 539 540 Text string 541 542 Should only be created if the driver has hints about what 543 this temperature channel is being used for, and user-space 544 doesn't. In all other cases, the label is provided by 545 user-space. 546 547 RO 548 549What: /sys/class/hwmon/hwmonX/tempY_lowest 550Description: 551 Historical minimum temperature 552 553 Unit: millidegree Celsius 554 555 RO 556 557What: /sys/class/hwmon/hwmonX/tempY_highest 558Description: 559 Historical maximum temperature 560 561 Unit: millidegree Celsius 562 563 RO 564 565What: /sys/class/hwmon/hwmonX/tempY_reset_history 566Description: 567 Reset temp_lowest and temp_highest 568 569 WO 570 571What: /sys/class/hwmon/hwmonX/temp_reset_history 572Description: 573 Reset temp_lowest and temp_highest for all sensors 574 575 WO 576 577What: /sys/class/hwmon/hwmonX/tempY_enable 578Description: 579 Enable or disable the sensors. 580 581 When disabled the sensor read will return -ENODATA. 582 583 - 1: Enable 584 - 0: Disable 585 586 RW 587 588What: /sys/class/hwmon/hwmonX/tempY_rated_min 589Description: 590 Minimum rated temperature. 591 592 Unit: millidegree Celsius 593 594 RO 595 596What: /sys/class/hwmon/hwmonX/tempY_rated_max 597Description: 598 Maximum rated temperature. 599 600 Unit: millidegree Celsius 601 602 RO 603 604What: /sys/class/hwmon/hwmonX/currY_max 605Description: 606 Current max value 607 608 Unit: milliampere 609 610 RW 611 612What: /sys/class/hwmon/hwmonX/currY_min 613Description: 614 Current min value. 615 616 Unit: milliampere 617 618 RW 619 620What: /sys/class/hwmon/hwmonX/currY_lcrit 621Description: 622 Current critical low value 623 624 Unit: milliampere 625 626 RW 627 628What: /sys/class/hwmon/hwmonX/currY_crit 629Description: 630 Current critical high value. 631 632 Unit: milliampere 633 634 RW 635 636What: /sys/class/hwmon/hwmonX/currY_input 637Description: 638 Current input value 639 640 Unit: milliampere 641 642 RO 643 644What: /sys/class/hwmon/hwmonX/currY_average 645Description: 646 Average current use 647 648 Unit: milliampere 649 650 RO 651 652What: /sys/class/hwmon/hwmonX/currY_lowest 653Description: 654 Historical minimum current 655 656 Unit: milliampere 657 658 RO 659 660What: /sys/class/hwmon/hwmonX/currY_highest 661Description: 662 Historical maximum current 663 Unit: milliampere 664 RO 665 666What: /sys/class/hwmon/hwmonX/currY_reset_history 667Description: 668 Reset currX_lowest and currX_highest 669 670 WO 671 672What: /sys/class/hwmon/hwmonX/curr_reset_history 673Description: 674 Reset currX_lowest and currX_highest for all sensors 675 676 WO 677 678What: /sys/class/hwmon/hwmonX/currY_enable 679Description: 680 Enable or disable the sensors. 681 682 When disabled the sensor read will return -ENODATA. 683 684 - 1: Enable 685 - 0: Disable 686 687 RW 688 689What: /sys/class/hwmon/hwmonX/currY_rated_min 690Description: 691 Minimum rated current. 692 693 Unit: milliampere 694 695 RO 696 697What: /sys/class/hwmon/hwmonX/currY_rated_max 698Description: 699 Maximum rated current. 700 701 Unit: milliampere 702 703 RO 704 705What: /sys/class/hwmon/hwmonX/powerY_average 706Description: 707 Average power use 708 709 Unit: microWatt 710 711 RO 712 713What: /sys/class/hwmon/hwmonX/powerY_average_interval 714Description: 715 Power use averaging interval. A poll 716 notification is sent to this file if the 717 hardware changes the averaging interval. 718 719 Unit: milliseconds 720 721 RW 722 723What: /sys/class/hwmon/hwmonX/powerY_average_interval_max 724Description: 725 Maximum power use averaging interval 726 727 Unit: milliseconds 728 729 RO 730 731What: /sys/class/hwmon/hwmonX/powerY_average_interval_min 732Description: 733 Minimum power use averaging interval 734 735 Unit: milliseconds 736 737 RO 738 739What: /sys/class/hwmon/hwmonX/powerY_average_highest 740Description: 741 Historical average maximum power use 742 743 Unit: microWatt 744 745 RO 746 747What: /sys/class/hwmon/hwmonX/powerY_average_lowest 748Description: 749 Historical average minimum power use 750 751 Unit: microWatt 752 753 RO 754 755What: /sys/class/hwmon/hwmonX/powerY_average_max 756Description: 757 A poll notification is sent to 758 `powerY_average` when power use 759 rises above this value. 760 761 Unit: microWatt 762 763 RW 764 765What: /sys/class/hwmon/hwmonX/powerY_average_min 766Description: 767 A poll notification is sent to 768 `powerY_average` when power use 769 sinks below this value. 770 771 Unit: microWatt 772 773 RW 774 775What: /sys/class/hwmon/hwmonX/powerY_input 776Description: 777 Instantaneous power use 778 779 Unit: microWatt 780 781 RO 782 783What: /sys/class/hwmon/hwmonX/powerY_input_highest 784Description: 785 Historical maximum power use 786 787 Unit: microWatt 788 789 RO 790 791What: /sys/class/hwmon/hwmonX/powerY_input_lowest 792Description: 793 Historical minimum power use 794 795 Unit: microWatt 796 797 RO 798 799What: /sys/class/hwmon/hwmonX/powerY_reset_history 800Description: 801 Reset input_highest, input_lowest, 802 average_highest and average_lowest. 803 804 WO 805 806What: /sys/class/hwmon/hwmonX/powerY_accuracy 807Description: 808 Accuracy of the power meter. 809 810 Unit: Percent 811 812 RO 813 814What: /sys/class/hwmon/hwmonX/powerY_cap 815Description: 816 If power use rises above this limit, the 817 system should take action to reduce power use. 818 A poll notification is sent to this file if the 819 cap is changed by the hardware. The `*_cap` 820 files only appear if the cap is known to be 821 enforced by hardware. 822 823 Unit: microWatt 824 825 RW 826 827What: /sys/class/hwmon/hwmonX/powerY_cap_hyst 828Description: 829 Margin of hysteresis built around capping and 830 notification. 831 832 Unit: microWatt 833 834 RW 835 836What: /sys/class/hwmon/hwmonX/powerY_cap_max 837Description: 838 Maximum cap that can be set. 839 840 Unit: microWatt 841 842 RO 843 844What: /sys/class/hwmon/hwmonX/powerY_cap_min 845Description: 846 Minimum cap that can be set. 847 848 Unit: microWatt 849 850 RO 851 852What: /sys/class/hwmon/hwmonX/powerY_max 853Description: 854 Maximum power. 855 856 Unit: microWatt 857 858 RW 859 860What: /sys/class/hwmon/hwmonX/powerY_crit 861Description: 862 Critical maximum power. 863 864 If power rises to or above this limit, the 865 system is expected take drastic action to reduce 866 power consumption, such as a system shutdown or 867 a forced powerdown of some devices. 868 869 Unit: microWatt 870 871 RW 872 873What: /sys/class/hwmon/hwmonX/powerY_enable 874Description: 875 Enable or disable the sensors. 876 877 When disabled the sensor read will return 878 -ENODATA. 879 880 - 1: Enable 881 - 0: Disable 882 883 RW 884 885What: /sys/class/hwmon/hwmonX/powerY_rated_min 886Description: 887 Minimum rated power. 888 889 Unit: microWatt 890 891 RO 892 893What: /sys/class/hwmon/hwmonX/powerY_rated_max 894Description: 895 Maximum rated power. 896 897 Unit: microWatt 898 899 RO 900 901What: /sys/class/hwmon/hwmonX/energyY_input 902Description: 903 Cumulative energy use 904 905 Unit: microJoule 906 907 RO 908 909What: /sys/class/hwmon/hwmonX/energyY_enable 910Description: 911 Enable or disable the sensors. 912 913 When disabled the sensor read will return 914 -ENODATA. 915 916 - 1: Enable 917 - 0: Disable 918 919 RW 920 921What: /sys/class/hwmon/hwmonX/humidityY_alarm 922Description: 923 Humidity limit detection 924 925 - 0: OK 926 - 1: Humidity limit has been reached 927 928 RO 929 930What: /sys/class/hwmon/hwmonX/humidityY_enable 931Description: 932 Enable or disable the sensors 933 934 When disabled the sensor read will return 935 -ENODATA. 936 937 - 1: Enable 938 - 0: Disable 939 940 RW 941 942What: /sys/class/hwmon/hwmonX/humidityY_fault 943Description: 944 Reports a humidity sensor failure. 945 946 - 1: Failed 947 - 0: Ok 948 949 RO 950 951What: /sys/class/hwmon/hwmonX/humidityY_input 952Description: 953 Humidity 954 955 Unit: milli-percent (per cent mille, pcm) 956 957 RO 958 959What: /sys/class/hwmon/hwmonX/humidityY_label 960Description: 961 Suggested humidity channel label. 962 963 Text string 964 965 Should only be created if the driver has hints about what 966 this humidity channel is being used for, and user-space 967 doesn't. In all other cases, the label is provided by 968 user-space. 969 970 RO 971 972What: /sys/class/hwmon/hwmonX/humidityY_max 973Description: 974 Humidity max value. 975 976 Unit: milli-percent (per cent mille, pcm) 977 978 RW 979 980What: /sys/class/hwmon/hwmonX/humidityY_max_alarm 981Description: 982 Maximum humidity detection 983 984 - 0: OK 985 - 1: Maximum humidity detected 986 987 RO 988 989What: /sys/class/hwmon/hwmonX/humidityY_max_hyst 990Description: 991 Humidity hysteresis value for max limit. 992 993 Unit: milli-percent (per cent mille, pcm) 994 995 Must be reported as an absolute humidity, NOT a delta 996 from the max value. 997 998 RW 999 1000What: /sys/class/hwmon/hwmonX/humidityY_min 1001Description: 1002 Humidity min value. 1003 1004 Unit: milli-percent (per cent mille, pcm) 1005 1006 RW 1007 1008What: /sys/class/hwmon/hwmonX/humidityY_min_alarm 1009Description: 1010 Minimum humidity detection 1011 1012 - 0: OK 1013 - 1: Minimum humidity detected 1014 1015 RO 1016 1017What: /sys/class/hwmon/hwmonX/humidityY_min_hyst 1018Description: 1019 Humidity hysteresis value for min limit. 1020 1021 Unit: milli-percent (per cent mille, pcm) 1022 1023 Must be reported as an absolute humidity, NOT a delta 1024 from the min value. 1025 1026 RW 1027 1028What: /sys/class/hwmon/hwmonX/humidityY_rated_min 1029Description: 1030 Minimum rated humidity. 1031 1032 Unit: milli-percent (per cent mille, pcm) 1033 1034 RO 1035 1036What: /sys/class/hwmon/hwmonX/humidityY_rated_max 1037Description: 1038 Maximum rated humidity. 1039 1040 Unit: milli-percent (per cent mille, pcm) 1041 1042 RO 1043 1044 1045What: /sys/class/hwmon/hwmonX/intrusionY_alarm 1046Description: 1047 Chassis intrusion detection 1048 1049 - 0: OK 1050 - 1: intrusion detected 1051 1052 RW 1053 1054 Contrary to regular alarm flags which clear themselves 1055 automatically when read, this one sticks until cleared by 1056 the user. This is done by writing 0 to the file. Writing 1057 other values is unsupported. 1058 1059What: /sys/class/hwmon/hwmonX/intrusionY_beep 1060Description: 1061 Chassis intrusion beep 1062 1063 - 0: disable 1064 - 1: enable 1065 1066 RW 1067 1068What: /sys/class/hwmon/hwmonX/device/pec 1069Description: 1070 PEC support on I2C devices 1071 1072 - 0, off, n: disable 1073 - 1, on, y: enable 1074 1075 RW 1076