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Date:      Thu, 26 May 2005 09:20:55 +0200
From:      Hexren <me@hexren.net>
To:        freebsd-questions@freebsd.org
Subject:   Re[2]: READ_DMA errors preventing installation
Message-ID:  <1182217799.20050526092055@hexren.net>
In-Reply-To: <200505252109.39172.josh@tcbug.org>
References:  <0IH20011SPTWJ3U0@vms040.mailsrvcs.net> <200505252109.39172.josh@tcbug.org>

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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


---------------------------------------------

Have you tried changing the IDE cables ?
And (I don't know is this is possible at that time) try changing the
UDMA speed to UDMA33 ($atacontrol mode 1 UDMA33 UDMA33)


Regards
Hexren




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