77 lines
2.5 KiB
Groff
77 lines
2.5 KiB
Groff
.\" $NetBSD: uda.4,v 1.12 2003/08/07 10:31:14 agc Exp $
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.\"
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.\" Copyright (c) 1980, 1987, 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. 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: @(#)uda.4 8.1 (Berkeley) 6/5/93
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.\"
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.Dd June 5, 1993
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.Dt UDA 4 vax
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.Os
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.Sh NAME
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.Nm uda
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.Nd
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.Tn UNIBUS
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MSCP disk controller driver
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.Sh SYNOPSIS
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.Cd "uda0 at uba? csr 0172150"
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.Cd "uda1 at uba? csr 0160334"
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.Cd "mscpbus* at uda?"
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.Sh DESCRIPTION
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The
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.Nm
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driver is for UNIBUS
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disk controllers that use MSCP. Among these controllers are:
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.Pp
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.Bl -tag -width xxxx -offset indent -compact
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.It DEC UDA50 UNIBUS ctlr
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.It DEC KDA50 Q22 bus ctlr
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.It DEC RQDX3 Q22 bus ctlr
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.El
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.Pp
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The
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.Nm
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communicates with the host through
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a packet protocol known as the Mass Storage Control Protocol
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.Pq Tn MSCP .
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Consult the file
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.Aq Pa mscp/mscp.h
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for a detailed description of this protocol.
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.Sh SEE ALSO
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.Xr intro 4
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.\".Xr ra 4
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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 4.2 .
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.br
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A new
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.Nm
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driver approach showed up in
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.Nx 1.2 .
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