NetBSD/share/man/man4/man4.sparc/fd.4

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1996-06-23 01:35:14 +04:00
.\" $NetBSD: fd.4,v 1.1 1996/06/22 21:35:15 pk Exp $
.\"
.\" Copyright (c) 1996 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Paul Kranenburg.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the NetBSD
.\" Foundation, Inc. and its contributors.
.\" 4. Neither the name of The NetBSD Foundation nor the names of its
.\" contributors may be used to endorse or promote products derived
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.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\"
.Dd June 23, 1996
.Dt FD 4 sparc
.Os
.Sh NAME
.Nm fd
.Nd Sparcstation floppy drive
.Sh SYNOPSIS
.Cd "fdc0 at mainbus0" Pq sun4c
.Cd "fdc0 at obio0" Pq sun4m
.Cd "fd* at fdc0"
.Sh DESCRIPTION
This is the driver for the built-in disquette station found on the
Sparcstation 1, and (optionally) other desktop Sparc systems.
.Pp
Bits
.Bq 0-4
of the minor device number of the special files referring to this
device encode the floppy density as follows:
.Bl -tag -width indent -offset indent
.It 0
3.5'' 1.44MB disquettes.
.It 1
3.5'' 1.2MB disquettes.
.El
.Sh SEE ALSO
.Xr eject 1
.Sh BUGS
This driver does not work well with Intel 82077-based controllers
.Pq which are commonly found on sun4m machines .