Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!munnari.oz.au!uhccux!bobcat3!aloha1!pegasus!richard
From: richard@pegasus.com (Richard Foulk)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: Parity Error on Motherboard (???)
Message-ID: <1990Sep18.073020.3330@pegasus.com>
Date: 18 Sep 90 07:30:20 GMT
References: <1990Sep17.181950.5990@thyme.jpl.nasa.gov>
Organization: Pegasus,  Honolulu
Lines: 19

>This is a last ditch effort, before I go out and replace my motherboard.
>
>I just added four more meg to my (generic Taiwan) 386SX motherboard, bringing
>it to a total of eight meg.  The machine boots, memory test finds no errors, 
>but both my protected mode operating systems, OS/2 1.1 and ESIX 3.2.C, crash.
>Good old M'soft provides the wonderfully intuitive "Parity Error ????", 
>while ESIX says "PANIC: Parity Error on Motherboard" followed by a dump 
>message.
>
>By taking the two SIMMs out of the fourth bank, everything works ok.  I
>swapped all eight SIMMs around in the first three banks, so I know they're
>all good.  I only get the parity error when I plug SIMMs into the fourth bank.

It is still possible that some of your SIMMs are bad.

Are some of them Samsung brand?

-- 
Richard Foulk		richard@pegasus.com