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Memory dividers on with Core 2 Duo systems...

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deanx0r

Senior member
Hi,

From what I read, you cannot overclock Core 2 Duo CPU with cheap ram as the P965 and 975X chipsets do not support memory divider. You cannot run the FSB faster than the ram, which has to run 1:1.

Can anyone demystify the statement above?

Also, I came across some BIOS screenshots that show adjustments of the RAM frequency. Do those act as memory dividers on Intel systems?

BIOS screenshot
 
Those options are used for running the memory faster than the FSB, not slower. AFAIK there's no motherboards that allow you to use a memory divider to do the opposite. Which is very unfortunate, but that's just the way it is. Actually, I do recall something about the Asus P5W-DH having options for this, but I think it only works at lower FSBs, which makes it useless for overclocking 🙂 You might want to google to see if that's true or if whoever it was that told me that made it up though 🙂.
 
On the P5W DH there is a setting that will let you run memory at 200mhz(DDR2-400) so there is one setting that will run the ram at below FSB speed for C2D.
 
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