1994-09-29 13:54:36 +00:00
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.\"
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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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2001-08-23 21:36:18 +00:00
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.\" derived from this software without specific prior written permission
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1994-09-29 13:54:36 +00:00
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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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1999-08-28 00:22:10 +00:00
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.\" $FreeBSD$
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1994-09-29 13:54:36 +00:00
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.\"
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2004-07-04 14:17:41 +00:00
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.Dd July 4, 2004
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2001-02-20 11:07:27 +00:00
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.Dt AHA 4
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2001-07-10 15:31:11 +00:00
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.Os
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1994-09-29 13:54:36 +00:00
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.Sh NAME
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.Nm aha
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1996-01-19 22:17:57 +00:00
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.Nd Adaptec SCSI host adapter driver
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1994-09-29 13:54:36 +00:00
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.Sh SYNOPSIS
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2001-10-13 09:08:37 +00:00
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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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1994-09-29 13:54:36 +00:00
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.Sh DESCRIPTION
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1996-01-19 22:17:57 +00:00
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This driver provides access to the
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.Tn SCSI
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2004-07-04 14:17:41 +00:00
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bus connected to the Adaptec AHA-154x and AHA-1640 SCSI host adapters.
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2003-11-09 01:30:46 +00:00
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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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2003-06-28 23:53:39 +00:00
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For optimum
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2003-11-09 01:30:46 +00:00
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performance, Adaptec AHA-174x controllers should be configured in
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1998-10-16 04:41:38 +00:00
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enhanced mode and attached via the
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1994-09-29 13:54:36 +00:00
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.Xr ahb 4
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1998-10-16 04:41:38 +00:00
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driver.
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.Pp
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2003-11-09 01:30:46 +00:00
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One device hint entry for every card to be attached by the system is
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2003-06-28 23:53:39 +00:00
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required.
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2004-06-16 08:33:57 +00:00
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Specific values for the port address, IRQ, and DRQ may be specified.
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2003-11-09 01:30:46 +00:00
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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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2003-06-28 23:53:39 +00:00
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If the port address
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1998-10-16 04:41:38 +00:00
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is a wildcard, the driver consults an internal table of possible port address
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2003-06-28 23:53:39 +00:00
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locations and attaches to the first unattached card it finds.
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The possible
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2001-07-14 19:41:16 +00:00
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port addresses for this card are 0x330, 0x334, 0x230, 0x234, 0x130, and
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1998-10-16 04:41:38 +00:00
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0x134.
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2003-11-09 01:30:46 +00:00
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.Pp
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2004-06-16 08:33:57 +00:00
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The AHA-1640 is an MCA bus card.
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2003-12-08 02:59:34 +00:00
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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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2004-07-04 14:17:41 +00:00
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.Sh HARDWARE
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The
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.Nm
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driver supports the following SCSI host adapters:
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.Pp
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.Bl -bullet -compact
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.It
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Adaptec AHA-154xB
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.It
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Adaptec AHA-154xC
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.It
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Adaptec AHA-154xCF
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.It
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Adaptec AHA-154xCP
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.It
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Adaptec AHA-1640
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.It
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Adaptec AHA-174x in 154x emulation mode
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.It
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2004-08-19 20:49:39 +00:00
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DTC 3290 SCSI controller in 1542 emulation mode
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.It
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2004-07-04 14:17:41 +00:00
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Tekram SCSI controllers in 154x emulation mode
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.El
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2003-12-08 02:59:34 +00:00
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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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2003-11-09 01:30:46 +00:00
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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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2004-06-16 08:33:57 +00:00
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set in the BIOS conflict.
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1996-01-19 22:17:57 +00:00
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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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2003-11-09 01:30:46 +00:00
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.Xr aic 4 ,
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1996-01-19 22:17:57 +00:00
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.Xr cd 4 ,
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1998-10-16 04:41:38 +00:00
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.Xr da 4 ,
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1999-08-15 10:48:36 +00:00
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.Xr sa 4 ,
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.Xr scsi 4
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1996-01-19 22:17:57 +00:00
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.\"
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.\" .Sh DIAGNOSTICS
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.\"
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1999-08-15 10:48:36 +00:00
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.Sh AUTHORS
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2000-11-22 09:35:58 +00:00
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.An -nosplit
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1996-01-19 22:17:57 +00:00
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The
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.Nm
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1999-08-15 10:48:36 +00:00
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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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1998-10-16 04:41:38 +00:00
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.Nm bt
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1999-08-15 10:48:36 +00:00
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driver written by
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2000-11-22 09:35:58 +00:00
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.An Justin T. Gibbs .
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