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Article #68725

Re: How to check memory thoroughly? Any utilities?

#68725
From: John Beardmore
Date: Thu, 02 May 1996 00:00
57 lines
2126 bytes
In article <830872851.28840.0@nook.demon.co.uk>, Neil Trotter
<neil@nook.demon.co.uk> 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.

And what's wrong with testing from DOS ?


>My machine is recently prone to mysterious hangs, crashes & GPFs in Win3.11,
>not just under certain circumstances, but at random.

And your memory doesn't have parity ?  Oh dear !


>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.

Not 9 ?


>  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.

But maybe not fast page mode.

What memory configurations does your BIOS have ?


>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.

and c) it's not working.


>1.  Am I just stupid to use memory that has a different external appearance
>(though the vital specs are the same)?

How much of of the spec is the same ?  Answer should refer to page
modes, column modes and preferably timing diagrams...


>2.  Are there any Public Domain tools which will run under Windows to test
>the memory exhaustively?

Not that I know of.

If you find any, please let us know !


Cheers, J/.
-- 
John Beardmore
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From: John Beardmore <wookie@wookie.demon.co.uk>
Subject: Re: How to check memory thoroughly?  Any utilities?
Date: 1996/05/02
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