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Date:      Thu, 04 Dec 1997 18:26:00 -0600
From:      David Kelly <dkelly@hiwaay.net>
To:        asami@cs.berkeley.edu (Satoshi Asami)
Cc:        hardware@freebsd.org, sales@gndrsh.aac.dev.com
Subject:   Re: voltage regulator 
Message-ID:  <199712050026.SAA19728@nospam.hiwaay.net>
In-Reply-To: Message from asami@cs.berkeley.edu (Satoshi Asami)  of "Thu, 04 Dec 1997 04:10:54 PST." <199712041210.EAA16583@silvia.HIP.Berkeley.EDU> 

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> Does anyone know of a good 3.3V -> 2.9V voltage regulator that I can
> get in the San Francisco Bay Area or via mail order?  I have an old
> motherboard (Asus P/I-P55T2P4, old revision with only 66MHz external
> clock and up to 3x multiplier) and a K6-200.  It seems runs ok but the
> CPU is extremely hot, and I'm worried it might melt some day.

Do we know how many amps you need at 2.9? A silicon diode will drop 0.6 
to 0.7v in series. If you set the MB to about 3.5 volts then you'll be 
just about right. Assuming there is a ready way to add the diode in 
series with your existing PS, between it and the CPU.
--
David Kelly N4HHE, dkelly@nospam.hiwaay.net
=====================================================================
The human mind ordinarily operates at only ten percent of its
capacity -- the rest is overhead for the operating system.





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