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authorphk <phk@FreeBSD.org>2004-02-25 13:55:56 +0000
committerphk <phk@FreeBSD.org>2004-02-25 13:55:56 +0000
commit67b3e47c3b09e121c59c3ea64ff1e3894621d516 (patch)
treecf22edfe2eba63ba843259b75bdfef8611242bcb /usr.sbin/fdcontrol
parent7691c973bc5f5fc48542bec908e63a06f168d9eb (diff)
downloadFreeBSD-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.845
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
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