From owner-freebsd-hardware  Sun Jul 13 22:14:24 1997
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To: Howard Lew <hlew@www2.shoppersnet.com>
cc: jwm@CSUA.Berkeley.EDU, FreeBSD-hardware@FreeBSD.ORG,
        root@meeko.eecs.Berkeley.EDU
Subject: Re: AMD K6 
In-reply-to: Your message of "Sun, 13 Jul 1997 19:03:54 PDT."
             <Pine.BSF.3.91.970713184434.13282A-100000@www2.shoppersnet.com> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Sun, 13 Jul 1997 22:14:52 -0700
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>Hmmm... that's odd, I have not seen that problem here.  Knock on wood.
>But then we use heatsink grease as recommended by AMD.
>
>Motherboards tested to work fine:
>
>FreeTech F63T, F76, F79*
>PC Chips M537A, M537B*
>
>* = with switching VRM
>
>Are you guys using it on a Dual Voltage motherboard?  at 2.9V Core and 
>3.3V I/O?
> 
>With the current that it draws, a switching voltage regulator is highly
>recommended.  Motherboards that use a standard linear voltage regulator
>motherboard can overheat and blow the voltage regulator and damage the
>motherboard and/or cpu.  

   Yes to all of the above (correct split voltage, switching regulator).

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project