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Article #535

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

#535
From: Dave C.
Date: Wed, 13 Jun 2001 08:39
46 lines
3246 bytes
What type of 128MB RAM will the board address though?  Think of RAM as a
spreadsheet with X columns times Y rows.  If your motherboard is able to
recognize only X columns and you install RAM that is 4X columns, then your
motherboard will only use the first X columns, and  thus it's only using
about 1/4th of the RAM stick installed.  If you are lucky, a simple BIOS
flash will overcome this limitation.  But it is most likely hardware
related.  And flashing your BIOS should only be done as a very last resort,
as it could cause irreversible damage to your motherboard.  If you are not
sure of the exact type of RAM that your motherboard will accept, check the
manual, or go to the motherboard manufacturer's web site.    -Dave

--
On linuxfreemail dot com, I am user "spamfilter".

"Barry Ward" <baz> wrote in message news:3b270180@grissom...
> 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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Subject: Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
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