Memory Divider Question

Soldato
Joined
26 Oct 2002
Posts
3,753
Location
Surrey
Hey, I'm hoping someone a bit more knowledgable than me on the subject can help me out here. I don't fully understand the implications of the memory divider in my BIOS and how lowering it (To achieve higher FSB) affects performance.

My Spec:

Core2 Duo 2180 (2.0Ghz x10 Multi)
Gigabyte P35C-DS3R
Geil 6400 (800Mhz) RAM

I currently set the RAM divider to 3.33 and the frequency to 266Mhz this allows my CPU to run a 2.6Ghz (266Mhz x 10) while my RAM to run at (~885Mhz) keeping it only slightly over it's 800Mhz rating.

Now, I could set my RAM divider to 2, this would keep my CPU speed the same but would make my RAM run at ~532Mhz - would this give me a performance hit?

I frequently see people in the OC forum suggesting dropping the RAM multi to 2 (Sometimes even 1!) so that the FSB frequency can be raised to achieve very high clock speeds. Surely this hinders memory bandwidth (As it always means running your memory <800Mhz) so why do people suggest it? Is it purely that the benefits of high clock speed outweigh memory bandwidth?

Hopefully that's clear and someone can explain this to me! :)

Thanks!
 
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