diff options
author | phk <phk@FreeBSD.org> | 2004-02-25 13:55:56 +0000 |
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committer | phk <phk@FreeBSD.org> | 2004-02-25 13:55:56 +0000 |
commit | 67b3e47c3b09e121c59c3ea64ff1e3894621d516 (patch) | |
tree | cf22edfe2eba63ba843259b75bdfef8611242bcb /usr.sbin/fdcontrol | |
parent | 7691c973bc5f5fc48542bec908e63a06f168d9eb (diff) | |
download | FreeBSD-src-67b3e47c3b09e121c59c3ea64ff1e3894621d516.zip FreeBSD-src-67b3e47c3b09e121c59c3ea64ff1e3894621d516.tar.gz |
Update manual page.
Give 8" example for the heck of it.
Diffstat (limited to 'usr.sbin/fdcontrol')
-rw-r--r-- | usr.sbin/fdcontrol/fdcontrol.8 | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/usr.sbin/fdcontrol/fdcontrol.8 b/usr.sbin/fdcontrol/fdcontrol.8 index e8486ff..6e0d2a1 100644 --- a/usr.sbin/fdcontrol/fdcontrol.8 +++ b/usr.sbin/fdcontrol/fdcontrol.8 @@ -276,31 +276,30 @@ as opposed to a so it is independent from the actual subdevice being used for .Ar device . .Bd -literal -$ fdcontrol -v /dev/fd1.360 -/dev/fd1.360: 1.2M drive (5.25" high-density) -.Ed +$ fdcontrol -v /dev/fd0 +/dev/fd0: 1.44M drive (3.5" high-density) .\" " <- this one is for Emacs :) .Pp -Inquiry about the density settings of a particular subdevice. +Inquiry about the density settings .Bd -literal -$ fdcontrol -F /dev/fd0.720 +$ fdcontrol -F /dev/fd0 18,512,0xff,0x1b,80,500,2,0x6c,1,0,+mfm .Ed .Pp -Note that just accessing a new subdevice for the first time will clone -this device using the default density settings for the drive type, as -explained in -.Xr fdc 4 . -Thus, albeit the device name in the example above suggests a 720 KB -media density, it has actually been initialized (by the driver) to -1440 KB. -So, in order to adjust it for standard 720 KB double-density -media, one of the following -.Nm -commands needs to be run: +The verbose flag makes this human readable .Bd -literal -# fdcontrol -s 9,,,0x20,,250,,0x50 /dev/fd0.720 -# fdcontrol -f 720 /dev/fd0.720 +/dev/fd0: 1440 KB media type + Format: 18,512,0xff,0x1b,80,500,2,0x6c,1,0,+mfm + Sector size: 512 + Sectors/track: 18 + Heads/cylinder: 2 + Cylinders/disk: 80 + Transfer rate: 500 kbps + Sector gap: 27 + Format gap: 108 + Interleave: 1 + Side offset: 0 + Flags <MFM> .Ed .Pp As indicated, trailing commas in the parameter list may be omitted. @@ -313,7 +312,15 @@ capable of handling FM encoding at all.) .Bd -literal # fdcontrol -s 16,128,0x80,0x2,40,300,,0x10,,,-mfm,+2step /dev/fd1.1 .Ed -.Sh SEE ALSO +.Pp +It is still possible to hook up 8" drives to most modern floppy +controllers, given the right cable magic. +(On PC hardware, tell the bios that it is a 5.25" drive) +The classical 128/26/2/77 format can be read with this entry +.Bd -literal +fdcontrol -s 26,128,0x80,0x2,77,500,2,0x10,,,-mfm /dev/fd0 +.Ed +Sh SEE ALSO .Xr fdc 4 .Sh HISTORY The |