97 lines
2.9 KiB
Groff
97 lines
2.9 KiB
Groff
.\"
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.\" Copyright (c) 1996 Jonathan Stone.
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.\" Copyright (c) 2000 Matt Thomas.
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.\" 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 Jonathan Stone.
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.\" 4. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $NetBSD: asc.4,v 1.5 2001/07/08 17:22:54 wiz Exp $
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.\"
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.Dd April 23, 2000
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.Dt ASC 4 vax
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.Os
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.Sh NAME
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.Nm asc
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.Nd
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VAXstation 4000 SCSI controller
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.Sh SYNOPSIS
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.Cd "asc* at vsbus? csr 0x200c0080" Pq VS4000/60 or VLC
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.Cd "asc* at vsbus? csr 0x25000080" Pq VS4000/9x
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.Cd "asc* at tc?" Pq Not yet supported
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.Cd "scsibus* at asc?"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the
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.Tn NCR
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53c94-based SCSI host adapter
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on the VAXstation 4000 series, and for the PMAZ-AA and related
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TurboChannel SCSI adapter option boards (also on the VAXstation
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4000 series models which include support for the TurboChannel
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adapter.
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.Sh CONFIGURATION
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The
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.Nm
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driver supports the following
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.Sy flags
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for use in
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.Xr config 8
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files:
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.Pp
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.Bl -tag -compact -width "bits 8-15:"
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.It bits 0-7 :
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disable disconnect/reselect for the corresponding
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.Tn SCSI
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target
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.It bits 8-15 :
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disable synchronous negotiation for
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.Tn SCSI
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target
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.El
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.Pp
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.Qq Target
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is synonymous with
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.Tn SCSI
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ID number.
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.Pp
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Note that
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.Tn SCSI
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tape drives should be allowed to perform disconnect/reselect or performance
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will suffer.
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.Sh SEE ALSO
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.Xr intro 4 ,
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.Xr esp 4 ,
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.Xr scsi 4 ,
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.Xr sd 4 ,
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.Xr st 4 ,
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.Xr cd 4 ,
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.Xr ch 4
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Nx 1.5 .
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