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Date: Wed, 17 Aug 2005 00:23:29 +0800
From: Jia-Shiun Li <jiashiun@gmail.com>
To: othermark <atkin901@yahoo.com>
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References: <33107.82.141.44.113.1121505434.squirrel@webmail.kamp-dsl.de>
	<ddqatf$oc4$1@sea.gmane.org>
Cc: freebsd-current@freebsd.org
Subject: Re: 82801FB/FR/FW/FRW Intel High Definition Audio Controller
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On 8/15/05, othermark <atkin901@yahoo.com> wrote:
> sledgehammer@revier.net wrote:
> > none0 at pci0:27:0:   class=3D0x040300 card=3D0x814e1043 chip=3D0x26688=
086
> > rev=3D0x03 hdr=3D0x00
> >     vendor   =3D 'Intel Corporation'
> >     device   =3D '82801FB/FR/FW/FRW Intel High Deficition Audio Control=
ler'
> >     class    =3D multimedia
>=20
> Michael Nottebrock wrote:
> >Unfortunately AC97 has its own set of device ids which aren't quite as
> >trivial to probe, IIRC.
>=20
> This one works under snd_ich, and is AC'97:
>=20
> pcm0@pci0:30:2: class=3D0x040100 card=3D0x01791028 chip=3D0x266e8086 rev=
=3D0x03
> hdr=3D0x00
>    vendor   =3D 'Intel Corporation'
>    device   =3D '82801FB/FR/FW/FRW AC '97 Audio Controller'
>    class    =3D multimedia
>    subclass =3D audio
>=20

ICH6 has both HD audio (D27:F1) and AC97 (D30:F2). They share the same
AC link pins so only one can function at a time. Apparently your
motherboard is laid to use AC97. But that's not HD audio. IIRC PCM
support for HD audio is currently under development.

Jia-Shiun.