.\"
.\" Copyright (c) 1994 Wilko Bulte
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote products
.\"    derived from this software withough specific prior written permission
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\"
.Dd August 31, 1994
.Dt AHA 4 i386
.Os FreeBSD
.Sh NAME
.Nm aha
.Nd
Adaptec SCSI host adapter driver
.Sh SYNOPSIS
.Cd "controller aha0 at isa? port" \&"IO_AHA0\&" bio irq ? drq 5 vector ahaintr
.Cd "controller scbus0
.sp
For each connected disk:
.Cd "device sd0
.sp
For each connected tape device:
.Cd "device st0
.sp
For one or more cdroms:
.Cd "device cd0
.Sh DESCRIPTION
This driver provides access to SCSI devices connected to an Adaptec 
154xA, 154xB, 154xC or 164x hostadapter. It also works for compatible cards like
the BusLogic 545 and the Adaptec 174x in 154x emulation mode.
.sp
For Adaptec 174x cards in enhanced mode the ahb(4) driver should be used. This
mode is prefered over 154x emulation mode.
.Sh FILES
.Bl -tag -width Pa -compact
.It Pa /sys/i386/conf/GENERIC
sample generic kernel config file for Adaptec based systems
.It Pa /sys/i386/isa/aha.c
driver source
.El
.Sh SEE ALSO
.Xr ahb 4
.Xr ahc 4
.Xr cd 4
.Xr scsi 4
.Xr sd 4
.Xr st 4