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Article #525

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

#525
From: Peter Milnes
Date: Thu, 14 Jun 2001 22:16
70 lines
4181 bytes
You should be using 72 pin SIMMs, your P133 SIMM has 128 pins. So ditch your
128Mb SIMM and replace it with two x 64Mb 72pin EDO SIMMs.
Cheers, Peter.

"Barry Ward" <baz@powerup.com.au> wrote in message news:3b27b5c4@grissom...
: The motherboard manual does not specify what "kind" of RAM it will address..
: But bear in mind tht it was written 4 years ago, in the days of P66 RAM.. It
: does however specify that RAM to the size of 128 meg can be used.- but it
: will only recognize 32 meg of this new 128meg P133.
:
: Barry
:
: "Dave C." <spammersdie@slowlyandpainfully.com> wrote in message
: news:VEFV6.25369$G45.1299367@news1.onlynews.com...
: > 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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From: "Peter Milnes" <Peter.K.L.Milnes@btinternet.com>
Newsgroups: alt.comp.hardware.homebuilt,alt.comp.hardware.pc-homebuilt,aus.computers
Subject: Re: Old P233 machine only recognises 32 meg of 128 meg new P133 stick??
Date: Thu, 14 Jun 2001 23:16:29 +0100
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