CPU unstable after memory upgrade

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From: Stevo
Date: Sat, 20 Jun 1998 00:00

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Hi all,

I've just installed an extra 32Mb SDRAM to my Cyrix 686 based machine to
give a total of 64Mb. The CPU is a 686MX P200 running at 2x75MHz. It was
running fine at this setting before the memory upgrade but now is very
unstable (system lock-ups) at that speed. Using the P166 setting of 66x2
everything is solid as a rock.
8 months ago, when first setting up this CPU, motherboard and first
stick of 32 Mb SDRAM I had similar problems. I ran it at the P166
setting for a couple of weeks, re-set to P200 setting and it worked
fine. Do these things take time to run in? I had thought it might have
something to do with the video card (S3 Virge2D/3D 4Mb) as the lock ups
frequently occur when doing something graphicaly intesive (games or all
the time with the OpenGL screensavers) but also during a windows session
(moving the mouse?). I'm only asking out of curiosity as I'm really
happy with the system now. Even runs those groovy OpenGL screen savers!
Any ideas? 
Cheers
Stevo

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From: Stevo <stevo_s@powerup.com.au>
Subject: CPU unstable after memory upgrade
Date: 1998/06/20
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