Lines Matching +full:fifo +full:- +full:width

54 either FM (single-density) or MFM (double or high-density) recording
69 These enhanced controllers (among other enhancements) implement a FIFO
72 This FIFO activation can be disabled
73 using the per-controller flags value of
80 For historical reasons, device nodes that use a trailing UFS-style
89 of the available medium for multi-density devices.
92 high-density 3.5 inch standard floppy drive.
101 this can be overridden using the per-drive device flags value of
107 When trying to use a floppy device with special-density media, other
130 Drive types are configured using the lower four bits of the per-drive
133 .Bl -tag -width 2n -offset indent
135 5.25 inch double-density device with 40 cylinders (360 KB native
138 5.25 inch high-density device with 80 cylinders (1200 KB native
141 3.5 inch double-density device with 80 cylinders (720 KB native
144 3.5 inch high-density device with 80 cylinders (1440 KB native
147 3.5 inch extra-density device with 80 cylinders (2880 KB native
171 per-drive device flags value of
199 remains in a half-opened state.
213 Operations that are not allowed on the half-opened
220 .Bl -tag -width ".Dv FD_READID"
236 For the fixed-density subdevices (1 through 15 per drive), this
239 the auto-selecting subdevice 0, the operation is temporarily allowed
252 .Bl -tag -width ".Dv FDOPT_NOERRLOG"
274 this one is read-only.
283 Clear the internal low-level error counter.
284 Normally, controller-level
311 This type is the same as being used in the per-drive configuration
315 .Bl -tag -width "debug.fdc.debugflags"
318 .Bl -tag -width "0x40"
338 non-zero return from a thread worker operation.
351 .It Dv debug.fdc.fifo
352 For enhanced controllers, allows a non-default FIFO
357 Specification byte one (step-rate + head unload).
361 Specification byte two (head load time + no-dma).
362 The default head load time is 16 ms, and no-dma is 0
370 .Bl -tag -width ".Pa /dev/fd*" -compact
384 .An -nosplit