xref: /original-bsd/share/man/man4/man4.vax/fl.4 (revision c3e32dec)
1.\" Copyright (c) 1980, 1991, 1993
2.\"	The Regents of the University of California.  All rights reserved.
3.\"
4.\" %sccs.include.redist.man%
5.\"
6.\"     @(#)fl.4	8.1 (Berkeley) 06/05/93
7.\"
8.Dd
9.Dt FL 4 vax
10.Os BSD 4
11.Sh NAME
12.Nm fl
13.Nd console floppy interface
14.Sh DESCRIPTION
15This is a simple interface to the
16.Tn DEC
17.Tn RX01
18floppy disk unit, which is part of the console
19.Tn LSI-11
20subsystem for
21.Tn VAX-11/780 Ns s .
22Access is given to the entire
23floppy consisting of 77 tracks of 26 sectors of 128 bytes.
24.Pp
25All I/O is raw; the seek addresses in raw transfers should be a multiple
26of 128 bytes and a multiple of 128 bytes should be transferred,
27as in other
28.Dq raw
29disk interfaces.
30.Sh FILES
31.Bl -tag -width /dev/floppy -compact
32.It Pa /dev/floppy
33.El
34.Sh DIAGNOSTICS
35None.
36.Sh SEE ALSO
37.Xr arff 8
38.Sh HISTORY
39The
40.Nm
41driver appeared in
42.Bx 4.0 .
43.Sh BUGS
44Multiple console floppies are not supported.
45.Pp
46If a write is given with a count not a multiple of 128 bytes then
47the trailing portion of the last sector will be zeroed.
48