0dd51f62a8
- Change lines referring to kernel configuration file:
device foo0 at isa port xxx irq yyy...
to
device foo
Describe resource "hints" in /boot/device.hints.
- Try to describe resource allocation and probe/attach behavior in the
newbus framework.
64 lines
2.2 KiB
Groff
64 lines
2.2 KiB
Groff
.\"
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.\" Copyright (c) 1994 Wilko Bulte
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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. 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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.\" $FreeBSD$
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.\"
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.Dd October 15, 1998
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.Dt AHB 4
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.Os
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.Sh NAME
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.Nm ahb
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.Nd Adaptec EISA SCSI host adapter driver
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.Sh SYNOPSIS
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.Cd device ahb
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.Cd device scbus
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.Sh DESCRIPTION
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This driver provides access to the
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.Tn SCSI
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bus connected to an Adaptec
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174x hostadapter in
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.Dq Em enhanced
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mode.
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Tagged queueing and synchronous SCSI transfers are supported.
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.Sh CAVEATS
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The Adaptec 174X is very sensitive to SCSI bus termination and cable
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length. It may also have difficulties operating with some modern devices
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that, due to their speed, expose timing problems in the controller. There
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are no known mechanisms for working around device incompatibilities of
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this nature.
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.Sh SEE ALSO
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.Xr aha 4 ,
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.Xr ahc 4 ,
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.Xr cd 4 ,
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.Xr da 4 ,
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.Xr sa 4 ,
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.Xr scsi 4
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.Sh AUTHORS
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The
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.Nm
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driver was written by
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.An Justin T. Gibbs .
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