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Article #68692

Re: How to check memory thoroughly? Any utilities?

#68692
From: woody
Date: Tue, 30 Apr 1996 00:00
44 lines
2617 bytes
In article: <830872851.28840.0@nook.demon.co.uk>  neil@nook.demon.co.uk (Neil 
Trotter) writes:
> 
> I am looking for some way to check that memory is functioning 100%
> correctly.  I have run Norton Utilities (under DOS) memory check facility,
> and this reports no errors, but this check runs under DOS.
> 
> My machine is recently prone to mysterious hangs, crashes & GPFs in Win3.11,
> not just under certain circumstances, but at random.
> 
> I recently added 8MB memory to the configuration, to give me 16MB in all.
> The original 8MB is W/Parity 70ns, and has 10 chips on each side of the
> simm.  The new simm has chips on only one side, 2 sets of 3, with a smaller
> one in the middle.  It is also W/Parity 70ns.
> 
> Ok, so I would normally source additional memory from the same supplier as
> the original, but a. the original supplier doesn't deal in hardware any
> more, and b. the price was pretty good.
> 
> So --
> 
> 1.  Am I just stupid to use memory that has a different external appearance
> (though the vital specs are the same)?
> 
> 2.  Are there any Public Domain tools which will run under Windows to test
> the memory exhaustively?
> 
> Thanks for any help, suggestions, comments etc.
>

You need a copy of Checkit Pro or WinCheck, both of which will do thorough testing 
of RAM.   *BUT*, many people don't realise that himem.sys does a much more 
thorough test of RAM than almost any utility, as the utils usually do checks by simple 
address increments, whereas himem.sys does it by whole block changes.  
Chances are if himem don't find it you ain't got a problem.
As for the chips quantities/sizes, don't worry, it's called progress!
GPSs are more often caused by external hardware problems or interfaces, 
especially scanners and the like.
-- 
Andrew W.		 |  Never buy you lottery ticket on a 
Harrogate, N. Yorks, UK	 |  Monday: you have more chance of dying
woody@tangon.demon.co.uk |  than winning the jackpot in the
g1uxp@gb7cym             |  draw the following Saturday!
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From: woody <woody@tangon.demon.co.uk>
Subject: Re: How to check memory thoroughly?  Any utilities?
Date: 1996/04/30
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