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Date:      Tue, 1 May 2001 07:35:24 -0500
From:      "David W. Chapman Jr." <dwcjr@inethouston.net>
To:        "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:  <03ed01c0d23b$323659a0$931576d8@inethouston.net>
References:  <Pine.BSF.4.21.0105011325140.54688-100000@server.arg.sj.co.uk>

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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 :-)
>
>
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>


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