1.\" Copyright (c) 2004 Jorge Mario G. Mazo 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.Dd January 6, 2009 26.Dt SND_ICH 4 27.Os 28.Sh NAME 29.Nm snd_ich 30.Nd "Intel ICH AC'97 and compatible bridge device driver" 31.Sh SYNOPSIS 32To compile this driver into the kernel, place the following lines in your 33kernel configuration file: 34.Bd -ragged -offset indent 35.Cd "device sound" 36.Cd "device snd_ich" 37.Ed 38.Pp 39Alternatively, to load the driver as a module at boot time, place the 40following line in 41.Xr loader.conf 5 : 42.Bd -literal -offset indent 43snd_ich_load="YES" 44.Ed 45.Sh DESCRIPTION 46The 47.Nm 48bridge driver allows the generic audio driver 49.Xr sound 4 50to attach to Intel ICH AC'97 and compatible audio devices. 51.Pp 52Some later chips, like ICH6/ICH7, depending on wiring can instead implement 53newer Intel HD Audio specification, which is supported by 54.Xr snd_hda 4 55driver. 56.Sh HARDWARE 57The 58.Nm 59driver supports the following audio devices: 60.Pp 61.Bl -bullet -compact 62.It 63AMD 768 64.It 65AMD 8111 66.It 67Intel 443MX 68.It 69Intel ICH 70.It 71Intel ICH revision 1 72.It 73Intel ICH2 74.It 75Intel ICH3 76.It 77Intel ICH4 78.It 79Intel ICH5 80.It 81Intel ICH6 82.It 83Intel ICH7 84.It 85NVIDIA nForce 86.It 87NVIDIA nForce2 88.It 89NVIDIA nForce2 400 90.It 91NVIDIA nForce3 92.It 93NVIDIA nForce3 250 94.It 95NVIDIA nForce4 96.It 97SiS 7012 98.El 99.Sh SEE ALSO 100.Xr snd_hda 4 , 101.Xr sound 4 102.Sh HISTORY 103The 104.Nm 105device driver first appeared in 106.Fx 4.2 . 107.Sh AUTHORS 108This manual page was written by 109.An Jorge Mario G. Mazo Aq Mt jgutie11@eafit.edu.co . 110