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+.\"	$OpenBSD: yds.4,v 1.1 2001/03/29 14:32:36 aaron Exp $
+.\"
+.\" Copyright (c) 2001 Aaron Campbell.
+.\" 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.
+.\"
+.\" 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 March 29, 2001
+.Dt YDS 4
+.Os
+.Sh NAME
+.Nm yds
+.Nd Yamaha DS-XG sound hardware driver
+.Sh SYNOPSIS
+.Cd "yds* at pci? dev ? function ?"
+.Cd "audio* at yds?"
+.Cd "opl* at yds?"
+.Sh DESCRIPTION
+The
+.Nm
+driver supports Yamaha DS-XG based sound chips, as found in, e.g., many
+Sony Vaio notebooks.
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 2.9 .
+.Sh AUTHORS
+Kazuki Sakamoto and Minoura Makoto.
+.Sh SEE ALSO
+.Xr ac97 4 ,
+.Xr audio 4 ,
+.Xr pci 4