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Date:      Sun, 04 Feb 1996 16:15:37 -0800
From:      "Justin T. Gibbs" <gibbs@freefall.freebsd.org>
To:        72110.765@compuserve.com
Cc:        questions@freebsd.org
Subject:   Re: FreeBSD 2.1 install 
Message-ID:  <199602050015.QAA16614@freefall.freebsd.org>
In-Reply-To: Your message of "Sun, 04 Feb 1996 19:06:38 EST." <199602050006.TAA22505@arl-mail-svc-1.compuserve.com> 

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>With the MB/BIOS set to Optimal settings the first 5 times I tried the CD
>install the system would lock or reset at random times during the process.
>
>The I set the board to Fail-Safe (All cache off, etc.) and the install 
>completed successfully.
>
>I ran motherboard and memory diags for 24 hours with 0 errors.
>
>Why would the Optimal settings cause the install.bat to crash?
>Can I reset to Optimal or am I stuck with Fail-Safe (slow) settings?

I doubt that your diagnostic software tests for cache coherency
during busmastering DMA.  This is most likely your problem - a bug
in the motherboard.  The other option is a faulty burst cache ram
module.  The 512k parts have a high rate of failure.

>T. Roberts
>
>

--
Justin T. Gibbs
===========================================
  FreeBSD: Turning PCs into workstations
===========================================



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