Ecs motherboard p4800pro-mv2 ddr2 problems

Hi I just been playing around with a old computer which currently has 512mb ddr ram in it. I tried fitting some ram I had taken out of a previous computer but with no luck.

I tried installing 2 x 512mb ddr2 533 cl4 and the motherboard is a Ecs p4800prov2

The ram was installed right but when i turn the pc on it only saw 512mb not 1gb.

Does this ram work with this motherboard?

Any ideas ?

8 answers Last reply
More about motherboard p4800pro ddr2 problems
  1. It looks like you can use DDR OR DDR2 RAM, did you remove the 512MB DDR ram when you installed the 2 x 512MB DDR2 RAM? I could not find the QVL for the board's RAM, and you didn't tell us the make and model RAM you tried. It may work; it actually should work because almost all the DDR and DDR2 RAM meets the JEDEC standards - it was DDR3 that "escaped" to retail before the "standard" was finalized.

    This is a better link to your motherboard specs.
  2. Sorry the make is Micron Technology (brand name Crucial Technology)

    The computer runs fine but it will only detect 1 x 512mb. I have taken out the ddr
  3. Any ideas this is really bugging me. I did remove the DDR brier putting in the ddr2
  4. Since the board specs show it supports up to 2GB RAM (either DDR or DDR2), your BIOS shows only 1 x 512MB RAM, and there are no BIOS updates available on the support website, the only possibilities I can think of are:
    -- The RAM/slot contacts are not making good contact; try wiping the RAM contacts with clean coffee filter paper, then install/remove/reinstall/remove/reinstall the RAM to clean the slot contacts.
    -- The second stick of RAM is bad; try another stick.
    -- The Board's RAM slot is not functioning properly; try removing the DDR2 RAM and installing the original 512 DDR, plus a new 512 DDR stick.
  5. The orginal ram was 2 x 256ddr that's why I was trying to put in 2 x 512mb ddr2. I have tried what you said and I think the ddr2 ram slot in broken on the motherboard. Sometimes it will work with both chips in other times it will only boot with one in.

    When it does boot with both in it thinks they are 256mb ddr 2 533 not 512mb.

    Any ideas?

    Should I just put the orginal ddr back in and leave it.

    Thanks for the help
  6. I am learning to repair pc's so I don't mind the motherboard being wrong as it is a good excuse to fit a new one.

    Any suggestion of a cheap replacement motherboard i could try. Should i add a new processor.

    I am just using this pc for learning
  7. anybody
  8. Have you installed CPU-z? It will show the RAM size, speed, etc.

    I'm assuming it is the BIOS that is not seeing all the RAM. See if CPUz finds the correct RAM size in the operating system. If it does see all of it, then don't worry about what the BIOS sees.

    Another thought: Have you installed the latest BIOS available for the board? BIOS updates are typically available on the the motherboard's support website, by going to the manufacturer's website, selecting the "Downloads" or "Support" tab, then using various methods, usually drop down menus, to find the motherboard BIOS updates, drivers, etc. Follow the instructions for flashing the BIOS - exactly as presented.
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