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1:1 ratio really best?

post #1 of 10
Thread Starter 
I have my Pentium D overclocked to 3.75GHz, but I can't seem to break 3.8GHz. I have my RAM severely underclocked to from DDR2 1000 to DDR2 500. I'm capable of running 1:2 ratio, but I would like to at least run my memory at 667MHz (or around there).

Will increasing the memory speed improve or impair my overclock?
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post #2 of 10
Quote:
Originally Posted by TheKraken
I have my Pentium D overclocked to 3.75GHz, but I can't seem to break 3.8GHz. I have my RAM severely underclocked to from DDR2 1000 to DDR2 500. I'm capable of running 1:2 ratio, but I would like to at least run my memory at 667MHz (or around there).

Will increasing the memory speed improve or impair my overclock?
High memory speed with a 1:1 divider will be the best performance possible. I am not really an Intel guy, so I really can't help you with Intel memory, but you want a 1:1, and you want a high FSB.
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post #3 of 10
Set the memory for its rated speed. DDR liked a 1:1 ratio. DDR2 will run faster than your fsb. It will make a difference in benches and stuff...but probably not much difference in your oc. I have the same mb and it will lock the memory bandwidth to what you set in bios as long as your oc profile is set to manual.
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post #4 of 10
Thread Starter 
Ok, so if I put the memory back at DDR2 1000, then my FSB will be 1000 (250 x 4) and my overclock will be at 3.75GHz... ok. Should I just leave my PCI-e at Auto? or should it be like 100 or somethin?
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post #5 of 10
Lock the PCI-E @ 100 and the PCI @ 33.3.
There's really no noticeable performance to be gained by increasing those.
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post #6 of 10
Lock it at 100. I ran a set of tests with my memory(400 to 1000mhz) and ran AM3 each time and found a difference of about 10,000 points from slowest(1:1@400mhz) to (1:2@1000mhz) I also found that higher bandwidth with looser timings will always score better than less with tighter timings. Except in super Pi...lol. It loves tight timings.
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post #7 of 10
Thread Starter 
Thanks busa, you've been very helpful. I like your RAM... I wonder why...
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post #8 of 10
Anytime buddy
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post #9 of 10
Thread Starter 
Woohoo, my system did NOT like that. I think I better try and work my way back up to that overclock and not dive in. I had about 10 errors, the computer didn't want to post, my OS wanted to whipe the physical memory after the system/config file was corrupted. That was scary... I'll try it all again after I regain some courage. Thanks anyways, guys.
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My System
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post #10 of 10
you have to lock pci and e at that frequencey or it will crash at overclocks. as it also overclocks the pci frequencey what we dont want we also have to lock stat ports
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