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Date:      Sun, 23 Nov 1997 19:37:56 -0800 (PST)
From:      Burton Sampley <bsampley@bsampley.vip.best.com>
To:        sporkl@dti.net
Cc:        freebsd questions <freebsd-questions@freebsd.org>
Subject:   Re: Upclocking
Message-ID:  <Pine.BSF.3.96.971123193005.16166D-100000@bsampley>
In-Reply-To: <Pine.BSF.3.96.971123212103.4028A-100000@iconoclastic.com>

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Spike,

Check out Tom's Hardware Guide at: http://www.sysdoc.pair.com/


You'll find most the info you need about overclocking your CPU.  I'm
currently overclocking my P5-233MMX to 266 MHz on an Asus P/I P55T2P4
motherboard by setting the bus speed to 75 MHz instead of 66 MHz that
Intel recommends.  This motherboard has an undocumented (well, at least by
the manufacturer)  bus speed of 83 MHz.

The major draw back to overclocking is heat and the accelerated bus speed
causes some PCI cards to not work.  I was able to bring my system up at 83
MHz, but my SCSI controller (an old 2940) would work correctly.  The above
link gives you a ton of info.

Hope this helps.

- - burton -

On Sun, 23 Nov 1997, sporkl wrote:

> Hello.
> 
> 	I have heard mention pf "upclocking" a chip to a higher speed. Is
> this what it seems to be, trying to trun a foo speed chip att foo+bar MHZ?
> How is this accomplished, via hardware or software? What are the drawbacks
> or side effects? thank you.
> 
> 
> 
>  -Spike Gronim
>   sporkl@dti.net
> 
> 	"Tradition is the chastity belt of the mind" 
> 
> 
> 
> 

- ---------------

Burton Sampley
bsampley@best.com or bsampley@haywire.csuhayward.edu
PGP key available at http://www.best.com/~bsampley/pgp.html 


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