From owner-freebsd-questions@FreeBSD.ORG  Thu May 26 02:09:49 2005
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From: Josh Paetzel <josh@tcbug.org>
To: freebsd-questions@freebsd.org
Date: Wed, 25 May 2005 21:09:38 -0500
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Cc: Richard McCoy <keyser456@verizon.net>
Subject: Re: READ_DMA errors preventing installation
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On Wednesday 25 May 2005 20:37, Richard McCoy wrote:
> Hey everyone.  I'm trying to start my fbsd experience and things
> aren't going so hot.  I spent the entire day trying to get this to
> work, but to no avail:
>
> I tried two different fbsd versions (5.4 and 4.11), two different
> mobos (gigabyte ga-7n400 pro2, and another gigabyte mobo for
> amd-64, I don't know the model #), as well as three (!!!) different
> Maxtor IDE hard drives (60, 80, and 100 gb).  The cds boot fine,
> but after I partition the hd (tried manual and auto settings)
> choose my packages and try to install, I immediately get an error,
> something to the effect of:
>
>
>
> ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR>
> error=40<UNCORRECTABLE>
>
>
>
> I know at least the 100 gb hd is working great, and I suspect both
> the others are working properly.  The only thing I can think of is
> it's a conflict with something on these Gigabyte mobos, like the
> ide controller, but I can't find anything that pans out into a
> solution anywhere on google. Is there a BIOS setting I need to
> enable/disable or what's the deal?  FWIW I can't get any versions
> of Linux to work either (tried Red Hat 9.0 and Slackware umm. 10.1
> I think, all with similar errors), but Windows XP works on both
> mobo setups.  Any suggestions?  Thanks.

Try setting Plug n Play OS to no in the BIOS

-- 
Thanks,

Josh Paetzel