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.\" $OpenBSD: wss.4,v 1.13 2007/05/31 19:19:55 jmc Exp $
.\" $NetBSD: wss.4,v 1.8 1998/01/19 20:22:30 augustss Exp $
.\"
.\" Copyright (c) 1995 Michael Long.
.\" 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 without 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 $Mdocdate: May 31 2007 $
.Dt WSS 4 i386
.Os
.Sh NAME
.Nm wss
.Nd Windows Sound System audio device
.Sh SYNOPSIS
.Cd "wss0 at isa? port 0x530 irq 10 drq 0 flags 1"
.Cd "wss* at isapnp?"
.Cd "audio* at wss?"
.Sh DESCRIPTION
The
.Nm
driver supports Microsoft's Windows Sound System, MAD16 chip based
hardware and their clones.
The Windows Sound System is a half-duplex device.
.Pp
The base I/O port is set by a jumper on the board; valid choices are
0x530, 0x604, 0xE80, or 0xF40.
Both IRQ and DMA channels are software programmable.
The IRQ may be set to 5, 7, 9, 10, or 11, and
the DMA channel may be set to 0, 1, or 3.
.Pp
The configuration file must have bit 1 set in
.Cm flags
to enable the MAD16 support.
This is to avoid potential conflicts with other devices when probing the
MAD16 because it requires use of extra I/O ports not in the base port range.
Bit 2 in
.Cm flags
disables the joystick port on MAD16 hardware.
.Sh SEE ALSO
.Xr audio 4 ,
.Xr intro 4 ,
.Xr isa 4 ,
.Xr isapnp 4
.Sh BUGS
The FM synthesizer is not supported.
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