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From: tes@whuts.UUCP (STERKEL)
Newsgroups: comp.sys.ibm.pc
Subject: PC memory (exhaustive) test and RAM chip *mapping*
Message-ID: <2303@whuts.UUCP>
Date: Fri, 3-Jul-87 19:04:25 EDT
Article-I.D.: whuts.2303
Posted: Fri Jul  3 19:04:25 1987
Date-Received: Tue, 7-Jul-87 02:49:56 EDT
Organization: AT&T Bell Laboratories
Lines: 24
Keywords: I have seen this somewhere before.

<*>
I thought this was posted here before, but I cannot find
it.  Also, a detailed scan of PC utilities only finds
RAM testers (in-situ) that test memory and provide a
map of actual suspect chip location seems to be only for
L/I/M EMS memory. 

*What is needed is a 0 - 640K RAM tester/mapper*

I have some "phantom" RAM problems not caught by the PC
POST, causing parity errors at random. The memory 
testers I have either do not find the problem, even after
hours of testing, or are worthlessly vague about location.

Can someone help me on this, I have pulled/shifted/replaced
dozens of chips so far. (A major improvement has resulted,
cut about 95% of errors, but a parity error on a large
file edit would tempt a saint to curse.)

thank you in advance!
-- 
                         Terry Sterkel
        {clyde|harvard|cbosgd|allegra|ulysses|ihnp4}!whuts!tes
              [opinions are obviously only my own]