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Date: Mon, 31 Mar 1997 16:27:00 +1000 (EST)
From: "Daniel O'Callaghan" <danny@panda.hilink.com.au>
To: Doug Russell <drussell@saturn-tech.com>
cc: Paul Southworth <pauls@locust.etext.org>, freebsd-hardware@FreeBSD.ORG
Subject: Re: Crashes with 6x86L-P200+
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On Sun, 30 Mar 1997, Doug Russell wrote:

> > The machine runs fine for an hour or two and then crashes regularly.  No
> 
> Sounds like the usual problem with those CPUs... Heat.  You need to keep
> them cool, because they generate a *LOT* of heat.  I have a *good* (ie. PC
> Power and Cooling) fan on my 6x86-166 plus another 4" fan pointed at the
> cpu and regulator heatsink on the M/B.  When I say you have to keep them
> cool...... :)

Something I've only just realised is that when the CPU is idling, it 
really is idling, using the HLT instruction (is that right Bruce).  Thus 
the CPU is generating less heat.  Doing anything which keeps the CPU busy 
is really going to test the heatsink.

Danny