Old P233 machine only recognises 32 meg of 128 meg new P133 stick??

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From: Barry Ward
Date: Wed, 13 Jun 2001 06:02

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I have an old P233MMX which uses an Intel TX chipset on an Oktek motherboard
and has been running 2x32 meg of 66 meghz SDRAM

The motherboard manual specifically states that it will allow RAM sizes up
to 128 meg , single or double side can be used in either of the 2 DIMM
slots - up to a max of 256 megs.

I have removed the 66 meg RAM and replaced them with 1 stick of 128 meg P133
RAM -- the BIOS and Windows will only recognise 32 meg.  If I place one of
the old 32 meg sticks back in as well as the 128 , it then recognises a
total of 64 meg.  This occurs with all combinations using the 2 DIMM slots.

Looking at the "chipset details" setup page in the BIOS reveals all kinds of
setting relating to RAM timing -- most of which I don't understand . These
include such things as DRAM Read and Write burst timing, RAS to CAS delay,
DRAM PAGE Idle timer, etc, etc.

I'm pretty sure that these timings are affecting the bios inability to
recognise the full 128 meg -- but not sure..

Any help would be appreciated.

Thanks

Barry in Brisbane Australia

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From: "Barry Ward" <baz@powerup.com.au>
Newsgroups: alt.comp.hardware.homebuilt,alt.comp.hardware.pc-homebuilt,aus.computers
Subject: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
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