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Date: Sun, 14 Dec 1997 12:56:04 -0800 (PST)
From: Tom <tom@sdf.com>
To: Gunnar Pruessner <pruess@yamuna.will.knipp.de>
cc: freebsd-hardware@freebsd.org
Subject: Re: Problems with Tyan Tomcat IV
In-Reply-To: <199712141312.OAA02346@yamuna.will.knipp.de>
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On Sun, 14 Dec 1997, Gunnar Pruessner wrote:

> Hello!
> Recently we tested a new system: Tyan Tomcat IV (single processor),
> K6-233 (C9746BJGW 3.3(!)V Core), 2x64MB + 6x32MB = 320MB. We tried 
> all available BIOS options for cache and RAM timing, but it failed 
> again and again at the latest after 2 hours: "Page fault in kernel 
> mode" or simply hanging (without core).
> 
> Any suggestions?

  Are you sure the RAM is good?  A lot (10%) of the RAM I've bought
lately, is DOA, and I need to return it.  Of course, I always buy parity
memory, so the server simply tells me what the problem is, rather than a
mysterious panic.

  Also, how chips are on the 64MB SIMMs?  Most motherboards can only
handle SIMMs with 24 chips or less, but every time I've ordered 64MB
SIMMs, I gotten unusable SIMMs.

  On large memory configurations, ALWAYS use parity RAM.

> Thank you,
> Gunnar

Tom