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SND_ICH(4)		 BSD Kernel Interfaces Manual		    SND_ICH(4)

NAME
     snd_ich — Intel ICH AC'97 and compatible bridge device driver

SYNOPSIS
     To compile this driver into the kernel, place the following lines in your
     kernel configuration file:

	   device sound
	   device snd_ich

     Alternatively, to load the driver as a module at boot time, place the
     following line in loader.conf(5):

	   snd_ich_load="YES"

DESCRIPTION
     The snd_ich bridge driver allows the generic audio driver sound(4) to
     attach to Intel ICH AC'97 and compatible audio devices.

     Some later chips, like ICH6/ICH7, depending on wiring can instead imple‐
     ment newer Intel HD Audio specification, which is supported by snd_hda(4)
     driver.

HARDWARE
     The snd_ich driver supports the following audio devices:

     ·	 AMD 768
     ·	 AMD 8111
     ·	 Intel 443MX
     ·	 Intel ICH
     ·	 Intel ICH revision 1
     ·	 Intel ICH2
     ·	 Intel ICH3
     ·	 Intel ICH4
     ·	 Intel ICH5
     ·	 Intel ICH6
     ·	 Intel ICH7
     ·	 NVIDIA nForce
     ·	 NVIDIA nForce2
     ·	 NVIDIA nForce2 400
     ·	 NVIDIA nForce3
     ·	 NVIDIA nForce3 250
     ·	 NVIDIA nForce4
     ·	 SiS 7012

SEE ALSO
     sound(4), snd_hda(4)

HISTORY
     The snd_ich device driver first appeared in FreeBSD 4.2.

AUTHORS
     This manual page was written by Jorge Mario G. Mazo
     ⟨jgutie11@eafit.edu.co⟩.

BSD				January 6, 2009				   BSD

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