76 lines
2.8 KiB
Groff
76 lines
2.8 KiB
Groff
.\" $NetBSD: fl.4,v 1.4 1997/10/19 12:59:56 mrg Exp $
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.\"
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.\" Copyright (c) 1980, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)fl.4 8.1 (Berkeley) 6/5/93
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.\"
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.Dd June 5, 1993
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.Dt FL 4 vax
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.Os BSD 4
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.Sh NAME
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.Nm fl
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.Nd console floppy interface
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.Sh DESCRIPTION
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This is a simple interface to the
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.Tn DEC
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.Tn RX01
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floppy disk unit, which is part of the console
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.Tn LSI-11
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subsystem for
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.Tn VAX-11/780 Ns s .
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Access is given to the entire
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floppy consisting of 77 tracks of 26 sectors of 128 bytes.
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.Pp
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All I/O is raw; the seek addresses in raw transfers should be a multiple
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of 128 bytes and a multiple of 128 bytes should be transferred,
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as in other
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.Dq raw
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disk interfaces.
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.Sh FILES
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.Bl -tag -width /dev/floppy -compact
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.It Pa /dev/floppy
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.El
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.Sh DIAGNOSTICS
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None.
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.Sh SEE ALSO
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.Xr arff 8
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.Sh HISTORY
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The
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.Nm
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driver appeared in
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.Bx 4.0 .
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.Sh BUGS
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Multiple console floppies are not supported.
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.Pp
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If a write is given with a count not a multiple of 128 bytes then
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the trailing portion of the last sector will be zeroed.
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