Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!snorkelwacker!apple!mips!sjsca4!poffen
From: poffen@sj.ate.slb.com (Russ Poffenberger)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: Looking for strange 1Mb SIMMs.
Message-ID: <1990Sep13.173552.20710@sj.ate.slb.com>
Date: 13 Sep 90 17:35:52 GMT
References: <6845.26ed0801@vax1.tcd.ie>
Reply-To: poffen@sj.ate.slb.com (Russ Poffenberger)
Organization: Schlumberger Technologies, San Jose, CA.
Lines: 24

In article <6845.26ed0801@vax1.tcd.ie> cnolan@vax1.tcd.ie writes:
>I am looking for a peculiar 1Mb SIMM for a Philips model P 3302 '386 PC.
>
>The part is very similar to the 72 pin SIMM used in some PS/2s only this 
>one only has 68 pins.  These SIMMs have a 0.05 inch pin spacing.
>
>The PS/2 SIMMs are 256k X 36 bit, ie. double word plus parity on each byte.  
>The Philips SIMMs we need are 256k X 32 bit, ie. no parity.  This would 
>account for the lack of pins.  Otherwise the two parts look identical.
>
>Does anybody know anything about these, I'm sure they are a standard part 
>but Philips locally are charging a ridiculous price for them given today's 
>RAM prices.
>

Most SIMM's for PC's have a ninth or parity bit. NON-parity SIMM's are also
available, check ads in computer shopper, or other magazine. You want ones
designated 256 X 8, or 1M X 8.


Russ Poffenberger               DOMAIN: poffen@sj.ate.slb.com
Schlumberger Technologies       UUCP:   {uunet,decwrl,amdahl}!sjsca4!poffen
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San Jose, Ca. 95110             (408)437-5254