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Date:      Tue, 1 May 2001 16:13:11 -0500
From:      Dave Uhring <duhring@charter.net>
To:        "David W. Chapman Jr." <dwcjr@inethouston.net>, "Andrew Gordon" <arg@arg1.demon.co.uk>
Cc:        "Michael J. Turner" <mike@inethouston.net>, <freebsd-stable@FreeBSD.ORG>
Subject:   Re: SoundBlaster PCI 128
Message-ID:  <01050116131102.01997@dave.uhring.com>
In-Reply-To: <03ed01c0d23b$323659a0$931576d8@inethouston.net>
References:  <Pine.BSF.4.21.0105011325140.54688-100000@server.arg.sj.co.uk> <03ed01c0d23b$323659a0$931576d8@inethouston.net>

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On Tuesday 01 May 2001 07:35 am, David W. Chapman Jr. wrote:
> Ah yes, I remember now, I dont' have an AMR slot, but the jumper isn't
> defaulted to on for the card.  Thanks very much.
>
> ----- Original Message -----
> From: "Andrew Gordon" <arg@arg1.demon.co.uk>
> To: "David W. Chapman Jr." <dwcjr@inethouston.net>
> Cc: "Michael J. Turner" <mike@inethouston.net>;
> <freebsd-stable@FreeBSD.ORG> Sent: Tuesday, May 01, 2001 7:29 AM
> Subject: Re: SoundBlaster PCI 128
>
> > On Mon, 30 Apr 2001, David W. Chapman Jr. wrote:
> > > I have the same problem.  I have 2 identical systems with onboard
> > > ct5880
>
> chips(sb128).  Both are 4.3-stable, one works correctly, the other does
> not. On the system that does not work I get this upon bootup
>
> > > pcm0: <AudioPCI ES1371> port 0xd400-0xd43f irq 10 at device 14.0 on
> > > pci0 pcm0: ac97 codec invalid or not present (id == 0)
> > > device_probe_and_attach: pcm0 attach returned 6
> >
> > Check the jumpers on your motherboard.
> >
> > Many motherboards with on-board sound also have an 'AMR' slot into
> > which a card can theoretically be inserted carrying a better/different
> > codec.  Such motherboards typically have a row of jumpers that can
> > connect the sound chip (or sound function in the southbridge) to either
> > the on-board codec or the AMR slot.
> >
> > The error you quoted above is exactly what you get if the jumpers are
> > set for the AMR slot rather than the on-board codec but the AMR slot is
> > empty.
> >
> > Since you have two machines and one of them works, you can just compare
> > the jumpers between them; you don't even have to search for the
> > motherboard manual :-)
> >

Perhaps in BIOS.  The Award BIOS's on my machines allow to turn off the 
on-board sound system.

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