Question about ASUS P4B266 Motherboard

3 Answers

Upgrade from 512MB to 1GB

I have an ASUS P4B266 MB with 512MB RAM which works well. I can put this RAM in slot 1 or slot 2. If I remove the 512MB RAM the BIOS tells me the RAM test doesn't pass. If I put the newly purchased 1GB RAM in either slot 1 or slot 2 nothing happens, the BIOS doesn't even call out any diagnostics. The specs for the RAM and the specs in the MB manual are identical, PC2100, DDR 266, DIMM, unbuffered non-ECC, SPD. The RAM spec is non-parity but the MB manual doesn't say anything about parity. Any ideas??

paul

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  • paulj1x Mar 15, 2008

    Thanks Brad. I've tried three different sticks, all with the same
    result. It appears to me that the BIOS never even gets started or
    crashes soon after it gets started. I've left the video card out so
    that the diagnostics will tell me that there is no video card, but it
    doesn't even get that far.



    paul

  • paulj1x Mar 15, 2008

    Thanks BigZ1981. Yes, when I left the 512MB in and added the 1GB, the first time I powered on I got a CPU overclocking error (I think, the audio isn't very good), but on 10 subsequent power ons I got nothing. By the way, I'm not overclocking, and I do have SPD enabled in the BIOS.

  • paulj1x Mar 17, 2008

    I may have found the answer. I'm being told that this motherboard uses the Intel 845D chipset which only supports low density DIMMs, and the new ones are high density DIMMs.

    paul

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3 Answers

Only 512 slot 1 then 512 slot 2 are only supported of your motherbord

Posted on Aug 14, 2008

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Have you tried both modules together? (leave the 512 in & add the 1G)

Posted on Mar 15, 2008

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  • 46 Answers

The specs on the memory are correct, so you purchased the correct type of memory for this motherboard. If your getting no video when you power on with the 1gb stick, I would be willing to bet the 1gb stick is bad. Can you return it and try another stick?

Posted on Mar 15, 2008

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Good luck!

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