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How does DDR2 RAM above 533MHz work with Core 2 Duo?


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tomdrayson

tomdrayson

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Hi, the new Core 2 Duo CPUs have an effective FSB speed of 1067MHz - which is a REAL FSB speed of 266MHz (because of the quad data rate). This means that the corresponding RAM, for a 1:1 FSB:DRAM ratio would be DDR2-533 (PC4200), because this also has a REAL FSB speed of 266MHz (double data-rate).

My question is what happens when you use faster RAM? Like DDR2-800 (PC6400) - this would create an FSB:DRAM ratio of 2:3 - would this still work?

Thanks

Edited by tomdrayson, 10 September 2006 - 11:08 AM.

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