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+.\" $NetBSD: neo.4,v 1.5 2008/04/30 13:10:54 martin Exp $
+.\"
+.\" Copyright (c) 2000 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to The NetBSD Foundation
+.\" by Jason R. Thorpe.
+.\"
+.\" 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``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 FOUNDATION OR CONTRIBUTORS
+.\" 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 June 22, 2005
+.Dt NEO 4
+.Os
+.Sh NAME
+.Nm neo
+.Nd NeoMagic MagicMedia 256 audio device driver
+.Sh SYNOPSIS
+.Cd "neo* at pci? dev ? function ?"
+.Cd "audio* at audiobus?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the NeoMagic MagicMedia 256AV and 256ZX
+AC'97 audio devices, found on many laptops.
+.Pp
+The MagicMedia 256AV also comes in a variant (usually found on Dell
+and HP laptops) that works in Windows Sound System emulation mode,
+not in AC'97 mode. That variant of the chip must be used with the
+.Xr wss 4
+driver. The
+.Nm
+driver will not attach to such chips.
+.Sh SEE ALSO
+.Xr ac97 4 ,
+.Xr audio 4 ,
+.Xr intro 4 ,
+.Xr midi 4 ,
+.Xr pci 4 ,
+.Xr wss 4
+.Sh HISTORY
+The
+.Nm
+device driver appeared in
+.Nx 1.5.1 .
+.Sh BUGS
+The MagicMedia 256 series is not well-documented.
+.Pp
+No MIDI or FM synthesizer capability is provided with the MagicMedia 256
+in AC'97 mode. While those capabilities are provided by the Windows driver
+for the chip, they are emulated by the Windows driver, and not directly
+supported by the hardware.