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Computer works with 2x512]1gb will not work with 2x1gb shows in system as 2x512help

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  • 3 more comments 
  • cyril919 Sep 10, 2009

    Asrock K7 upgrade-880 bios p1.00 [motherboard.

  • cyril919 Sep 10, 2009

    AMD Athlon XP 3200 M/Board Asrock

  • cyril919 Sep 10, 2009

    all memory in blank screen entered bios shows 1none 2 512 3 none 4 mem 512

  • cyril919 Sep 11, 2009

    bios detects bank 1 512 166mhz ddr333
    bank 2 512 166mhz ddr333
    bank 3 512 166mhz ddr333
    bank 4 512 166mhz ddr333

  • cyril919 Sep 11, 2009

    on the 1gb is a label showing no make,it reads,
    1gb pc 3200 ddr 400 mhz 184 pin module.
    on the 512 there is label with the following.
    Celenade 512 mb ddr1 - 400 cld 1d400 - 06464.
    I am now getting 2gb,do you think it would be safe to continue with this setup.many thanks for all your help.


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You may have the wrong type of RAM or your system has a maximum of 1GB.

If you would like to post your computer make and model or what make and model motherboard you have I would be glad to look into it further.

Thanks for using Fixya.

Posted on Sep 10, 2009

  • 2 more comments 
  • Wayne Mineard
    Wayne Mineard Sep 10, 2009


    It is not the motherboard. It holds a max of 4GB...each slot can hold 1GB.

    Try this:

    Put the 2 1GB modules in the blue slots and the 2 512MB modules in the black slots and see how much is being registered.

    Comment back.

    Thanks again.

  • Wayne Mineard
    Wayne Mineard Sep 11, 2009

    Sorry this is taking so long. Looks like this may just be a compatibility issue.

    Next, note the frequency of the 2 that are being detected. (133, 166, or 400)

    Then reverse the DIMMS. Your old ones in the blue and the new ones in the black.

    See what the BIOS detects. Also note the freq.

    Can you also note the part numbers on the DIMMS? Old and new.


  • Wayne Mineard
    Wayne Mineard Sep 11, 2009

    Well, I see you have a total of 2GB now. I guess that is a good thing. I have seen these strange things happen before. Just not positive what the cause is. May be the density. High density modules, which are usually cheaper, don't work in all situations. As I said in the last comment, if you want to take the time to post the numbers from the modules...and what brand they are I can try to find more info.


  • Wayne Mineard
    Wayne Mineard Sep 12, 2009

    I would definitely go ahead and try it. Your computer seems to recognize the speed, just not the entire amount of RAM. I think you will be OK. If you notice any instability with your system you may want to go with the old ones if they worked for you before.

    Those labels really don't give much info. No part numbers. Celenade, eh? Are you in the UK?

    Sorry I couldn't be of more help.



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