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- RAM backward compatible?
January 29, 2008, 7:28 am
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Re: RAM backward compatible?
What technology is each one? You'll probably find that the PC5300 RAM
is DDR2, while the PC2700 is DDR (also called DDR1). If so, they are
utterly and completely incompatible with each other.
Within one technology, you should be able to use faster RAM than
required for your computer, eg. using 800 MHz DDR2 in a machine that
needs 667 MHz DDR2.
Trivia: the actual RAM chips in DDR2 667 MHz and DDR1 333 MHz modules
are being clocked at the same rate. But DDR2 has the interface
electronics running at twice the clock rate. Access time for both is
the same, but data bandwidth is double for DDR2.
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