d642c42ed3
man4.i386. It documents that meteor no longer works, but keeps the extensive documentation on the meteor interface, which the bktr driver implements also. This should be merged into tha man page, but such a merging seems to be planned by others. # we really need something like video4bsd to define these sorts of # things for all video capture drivers. Requested by: rwatson and obrien
106 lines
3.5 KiB
Groff
106 lines
3.5 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 AHA 4
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.Os
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.Sh NAME
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.Nm aha
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.Nd Adaptec SCSI host adapter driver
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.Sh SYNOPSIS
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.Cd device aha
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.Cd device scbus
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.Pp
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In
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.Pa /boot/device.hints :
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.Cd hint.aha.0.at="isa"
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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 AHA-154xB, AHA-154xC,
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AHA-154xCF, AHA-154xCP, or AHA-1640 host adapter.
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x is 0 for controllers without a floppy drive and 2 for controllers
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that have them.
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Host adapters supporting a 154x compatible interface,
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such as some Tekram controllers and the Adaptec AHA-174x in 154x
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emulation mode can also be attached with this driver.
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For optimum
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performance, Adaptec AHA-174x controllers should be configured in
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enhanced mode and attached via the
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.Xr ahb 4
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driver.
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.Pp
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One device hint entry for every card to be attached by the system is
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required.
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Specific values for the port address, irq, and drq may be specified.
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If wildcard values are used, the driver will query the device for its
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current settings and use those.
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If the port address
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is a wildcard, the driver consults an internal table of possible port address
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locations and attaches to the first unattached card it finds.
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The possible
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port addresses for this card are 0x330, 0x334, 0x230, 0x234, 0x130, and
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0x134.
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.Pp
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The AHA-1640 is a MCA bus card.
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Since the MCA bus is a self-identifying bus, no setting of hints is
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required.
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.Sh BUGS
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The AHA-154xA card does not support residuals on data transfers.
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As a result, this card is no longer supported.
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.Pp
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There have been some reports that the AHA-154xB does not work well
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under heavy load.
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.Pp
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The AHA-154xCP is a plug and play controller.
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However, its resources are set using the on-board BIOS and cannot be
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moved.
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Failures to attached for this card are often caused when the resources
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set in the BIOS conflict
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.Sh SEE ALSO
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.Xr ahb 4 ,
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.Xr ahc 4 ,
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.Xr aic 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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.\"
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.\" .Sh DIAGNOSTICS
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.\"
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was ported by
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.An M. Warner Losh
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from the
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.Nm bt
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driver written by
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.An Justin T. Gibbs .
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