SDRAM 256 MB PC133 not recognised by P2

Pcpartner / Via vt82c691
June 28, 2009 at 00:47:29
Specs: Windows XP
I have a P2 system with this config:
CPU FSB:100.24
M/B:VIA VT82C691 Apollo Pro
CPU Clock:350 MHz

i m trying to upgrade my sdram from 128+64mb to 256+128mb. but the system doesn't boot after putting the new 256 mb pc133 sdram. instead it displayes msg "ntfs.sys" file is missing or corrupt and also not allow me to boot from xp cd with msg "setupdd.sys" could not b loaded error 4.

Any help will b appreciated. thanks

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June 28, 2009 at 07:09:23
Did you check to see what's compatible with your system in advance? Your board may not accept 256MB per slot & if it does, it probably needs to be low-density RAM. Most of the PC133 on the market these days is high density. You should be running PC100 anyway.

Try going to & using their system scanner.

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June 28, 2009 at 10:13:22
Its probably seems to be corrupted sdram, as i have downloaded a utility from microsoft "windiag" to diagnose memory. it has shown me lot of errors while booting with the new sdram. My earlier ram doesn't shown any error.
Anyway thnks for ur kind reponse. Any other idea, plz let me know.

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June 29, 2009 at 00:08:52
If it's not bad ram it could be a bios problem. I've noticed some older bios' have a problem with ram greater than 384 meg. It'll see the ram OK but there'll be a hardware error in device manager. The recommended solution is a bios upgrade but often there isn't one to upgrade to. The hardware error goes away when the ram is reduced.

Also, I've seen some PC133 SDRAM that says it's only to be used with a 133 mhz bus. I don't know what's up with that as we accept that PC133 ram will run OK at 100 mhz, which is what your P-2 is running at. But maybe it was manufactured with a narrower range of allowed frequencies.

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June 29, 2009 at 01:38:57
Incompatible RAM may give errors even if it is not actually defective.

You are beating a dead horse anyway. More RAM may help with some things but your processor and subsystems like graphics are not up to the task for modern computing. I wouldn't spend much cash on that rig.

Go to a computer show and pick up some PC100 low density for cheap.

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