1.\" $NetBSD: bba.4,v 1.7 2008/04/30 13:10:53 martin Exp $ 2.\" 3.\" Copyright (c) 2000 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd June 22, 2005 28.Dt BBA 4 29.Os 30.Sh NAME 31.Nm bba 32.Nd IOASIC Baseboard Audio device driver 33.Sh SYNOPSIS 34.Cd "bba0 at ioasic? offset ?" 35.Cd "audio* at audiobus?" 36.Sh DESCRIPTION 37The 38.Nm 39driver provides support for the IOASIC baseboard audio found on 40DEC 3000/300, 3000/500 41.Ns ( Nx Ns /alpha ) 42and DEC Personal DECstation 43.Ns ( Nx Ns /pmax ) 44systems. The baseboard 45audio driver is based on the AMD 79c30 ISDN and audio interface. The 46interface is only capable of playing and recording 8kHz mu-law audio. 47.Sh SEE ALSO 48.Xr audio 4 , 49.Xr ioasic 4 50.Sh HISTORY 51The 52.Nm 53device driver appeared in 54.Nx 1.5 . 55The name for the driver was adopted from the same driver in ULTRIX. 56