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Article #3001

Re: CYRIX 386-486 Upgrade CPU and COMPAQ 386/20 HELP

#3001
From: Marcel Stegehuis
Date: Fri, 26 Sep 1997 00:00
26 lines
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David Longley wrote:
> 
> I have a Cyrix Upgrade Chip with heat sink attached to it. I'm
> considering replacing the Intell 386-20 in a COMPAQ DESKPRO 386-20
> (circa 1988).
> 
> Unfortnately, I can't see any orientation edge on the CYRIX Chip.
> There's the CYRIX labelling on the underside of the CPU, but....
> Is there sdome convention re the orientation of the labelling
> on the underside of CPUs regardless of manufacturer? How can
> one tell which way to insert the chip?
> 
> Will it work with teh above machine?
> --
> David Longley
> 
> Longley Consulting                                                  London, UK
> Behaviour Assessment & Profiling Technology,
> Research, Data Analysis and Training Services,
> Small IT Systems                                http://www.longley.demon.co.uk
If you look at the pins yourself you will notice that all pins are
connected to the case of the processor with a small dot exept for pin
one. It has a square dot.

Marcel
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References: <874778295snz@longley.demon.co.uk>

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From: Marcel Stegehuis <ftp://sunsite.mmstegehuis@lucent.com>
Subject: Re: CYRIX 386-486 Upgrade CPU and COMPAQ 386/20 HELP
Date: 1997/09/26
Message-ID: <342B7EF4.67D8@lucent.com>
X-Deja-AN: 275678462
References: <874778295snz@longley.demon.co.uk>
Organization: Lucent Technologies, Network Systems
Newsgroups: comp.periphs,com.sys.intel,demon.tech.pc,sci.electronics.repair