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4200Ram will not work with 6400 ram

Discussion in 'PC hardware help' started by xaznboitx, Feb 12, 2012.

  1. xaznboitx

    xaznboitx Regular member

    Feb 5, 2006
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    This one (above link) will not work worth

    PNY 2gb DDR2 ram not sure why not.

    It keep making beeping sound.

    The link posted above is 4200ram 2x512mb so that's 1024mb which is 1gb

    so again, not sure why this a problem since new ram stated that PNY the HZ works with 4200ram. Also on the box it says DDR2 but when i open it, it says DDR2 DIMM and old one is DDR2 SDRAM.... unless can't mixed rams?

    6400 ram is the new one I installed.

    Also, the brand is different so does it matter if the brand of the ram is different? When I removed the old rams and install new one , it works but when i reinstall old rams with new ram, it makes a beeping sound...
    Last edited: Feb 12, 2012
  2. ddp

    ddp Moderator Staff Member

    Oct 15, 2004
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    is the old ram 4200 or 6400? what is the make & model# of the computer or motherboard?

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