DDR memory backward compatible?
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Thread: DDR memory backward compatible?

  1. January 12th, 2004, 11:32 AM #1
    jakkwb
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    DDR memory backward compatible?

    Hi folks,

    I have a board that uses DDR 266 MHZ memory. Pricing on DDR 333 is cheaper right now. Is DDR backward compatible (can I use 333 memory on a 266 bus motherboard)

    Thanks,

    Al
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  2. January 12th, 2004, 01:29 PM #2
    Gollo
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    Quote Originally Posted by jakkwb
    Hi folks,

    I have a board that uses DDR 266 MHZ memory. Pricing on DDR 333 is cheaper right now. Is DDR backward compatible (can I use 333 memory on a 266 bus motherboard)

    Thanks,

    Al
    99.9999999999999999% sure that it is (but then you get into registered and unregistered)
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  3. January 12th, 2004, 04:25 PM #3
    PuterGeekGirl
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    Check the specs on your mobo.....thats your safest bet...

    I had one that uses pc2700, I was using pc2100 in there, it would run but I had to bump the processor down or it would freeze up alot....its now gotten what it wants...and its a happy puter!!!
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  4. January 14th, 2004, 11:47 AM #4
    arch0nmyc0n
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    It's backwards compatible from everything I've seen. I've had 2100 running in 2700 boards and higher, I've also had 2700 running in 2100 boards before... Never read a manual tho, and in either of those cases I only do it under the order of the customer.
    "We must always fear the wicked. But there is another kind of evil that we must fear the most, and that is the indifference of good men." -- Monsignor; The Boondock Saints.
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