Lines Matching +full:per +full:- +full:device

39 .Ar device
43 utility allows the modification of the run-time behavior of the
45 driver for the device specified by
46 .Ar device .
48 Commands are implemented to query the current device density settings
49 as well as the underlying device hardware as registered with the
50 driver, to manipulate debugging levels, and to adjust the device
53 settings are restricted to the superuser (by the device driver), while
55 .Ar device .
58 .Ar device
65 that is registered with the device driver.
86 will report the device's density settings in a form that is suitable
97 control utilities support two different options how to specify device
104 commonly used device density settings for that drive, and if a match
108 .Bl -item
111 .Bd -ragged -offset indent -compact
127 .Bd -ragged -offset indent -compact
146 .Bd -ragged -offset indent -compact
156 .Bd -ragged -offset indent -compact
166 The second form to specify a device density uses
171 is a comma-separated list of values of the form:
179 .Bl -tag -width ".Ar secsize"
181 The number of sectors per track.
193 The transfer speed in kilobytes per second.
210 .Bl -tag -width ".Cm +perpend" -compact
213 .It Cm -mfm
214 Use FM (single-density) encoding.
216 Use 2 steps per each cylinder (for accessing 40-cylinder media in
217 80-cylinder drives).
218 .It Cm -2step
219 Do not use 2 steps per cylinder, i.e., access each physical cylinder
224 .It Cm -perpend
238 .Bd -literal -offset indent
248 .Em "device density" ,
250 .Ar device .
251 .Bd -literal -offset indent
252 $ fdcontrol -v /dev/fd0
253 /dev/fd0: 1.44M drive (3.5" high-density)
257 .Bd -literal -offset indent
258 $ fdcontrol -F /dev/fd0
263 .Bd -literal -offset indent
280 In order to access archaic 160 KB single-density (FM encoded) 5.25
285 .Bd -literal
286 # fdcontrol -s 16,128,0x80,0x2,40,300,,0x10,,,-mfm,+2step /dev/fd1.1
293 .Bd -literal -offset indent
294 fdcontrol -s  26,128,0x80,0x2,77,500,2,0x10,,,-mfm /dev/fd0