1*9e4d2f05Ssthen.\" $OpenBSD: auich.4,v 1.25 2010/02/25 00:18:01 sthen Exp $ 2d00bfbfbSderaadt.\" 32e087c9cSmickey.\" Copyright (c) 2000-2001 Michael Shalayeff 4d00bfbfbSderaadt.\" All rights reserved 5d00bfbfbSderaadt.\" 6d00bfbfbSderaadt.\" Redistribution and use in source and binary forms, with or without 7d00bfbfbSderaadt.\" modification, are permitted provided that the following conditions 8d00bfbfbSderaadt.\" are met: 9d00bfbfbSderaadt.\" 1. Redistributions of source code must retain the above copyright 10d00bfbfbSderaadt.\" notice, this list of conditions and the following disclaimer. 11d00bfbfbSderaadt.\" 2. Redistributions in binary form must reproduce the above copyright 12d00bfbfbSderaadt.\" notice, this list of conditions and the following disclaimer in the 13d00bfbfbSderaadt.\" documentation and/or other materials provided with the distribution. 14d00bfbfbSderaadt.\" 15d00bfbfbSderaadt.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTORS 16d00bfbfbSderaadt.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17d00bfbfbSderaadt.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18d00bfbfbSderaadt.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 19d00bfbfbSderaadt.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20d00bfbfbSderaadt.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21d00bfbfbSderaadt.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR 22d00bfbfbSderaadt.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23d00bfbfbSderaadt.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24d00bfbfbSderaadt.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25d00bfbfbSderaadt.\" ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26d00bfbfbSderaadt.\" 27*9e4d2f05Ssthen.Dd $Mdocdate: February 25 2010 $ 28fa890222Smiod.Dt AUICH 4 29d00bfbfbSderaadt.Os 30d00bfbfbSderaadt.Sh NAME 31bbdad41cSmickey.Nm auich 3239e6f2f9Sbrad.Nd Intel ICH integrated AC'97 audio device 33d00bfbfbSderaadt.Sh SYNOPSIS 34afb7f3acSmickey.Cd "auich* at pci? flags 0x0000" 35bbdad41cSmickey.Cd "audio* at auich?" 36d00bfbfbSderaadt.Sh DESCRIPTION 37d00bfbfbSderaadtThe 38d00bfbfbSderaadt.Nm 3939e6f2f9Sbraddriver provides support for the integrated AC'97 audio controller present 4039e6f2f9Sbradon the Intel ICH I/O controller hub and compatible chipsets. 4139e6f2f9Sbrad.Pp 4239e6f2f9SbradSupported chipsets: 4339e6f2f9Sbrad.Pp 4439e6f2f9Sbrad.Bl -bullet -compact -offset indent 4539e6f2f9Sbrad.It 4639e6f2f9SbradAMD 768, 8111 4739e6f2f9Sbrad.It 48*9e4d2f05SsthenIntel 6300ESB/6321ESB 49*9e4d2f05Ssthen.It 5039e6f2f9SbradIntel 82440MX 5139e6f2f9Sbrad.It 5239e6f2f9SbradIntel 82801 (ICH, ICH0, ICH2, ICH3, ICH4, ICH5, ICH6, ICH7) 5339e6f2f9Sbrad.It 5439e6f2f9SbradNVIDIA nForce, nForce2, nForce3, nForce4 5539e6f2f9Sbrad.It 5639e6f2f9SbradSiS 7012 5739e6f2f9Sbrad.El 5839e6f2f9Sbrad.Pp 59d00bfbfbSderaadtThe 60d00bfbfbSderaadt.Nm 61d00bfbfbSderaadtDMA engine supports full-duplex operation and has separate channels 62d00bfbfbSderaadtfor line input and microphone. 63d00bfbfbSderaadtUnfortunately, simultaneous recording from both line and microphone inputs 64d00bfbfbSderaadtis not supported due to the current 65d00bfbfbSderaadt.Xr ac97 4 66d00bfbfbSderaadtdesign. 6799731d2aSteduSetting 6899731d2aStedu.Ar flags 6999731d2aSteduto 0x0001 will compensate for machines that have reversed stereo. 70d00bfbfbSderaadt.Sh SEE ALSO 71d00bfbfbSderaadt.Xr ac97 4 , 727908d52fSmiod.Xr audio 4 , 737908d52fSmiod.Xr intro 4 , 747908d52fSmiod.Xr pci 4 75d00bfbfbSderaadt.Sh HISTORY 76d00bfbfbSderaadtThe 77d00bfbfbSderaadt.Nm 78d00bfbfbSderaadtdevice driver appeared in 79d00bfbfbSderaadt.Ox 2.8 . 808c309064Smickey.Sh CAVEATS 818c309064SmickeySome hardware implementations only support 48kHz sampling rates. 82