DRAM frequency

980 Views 7 Replies 3 Participants Last post by jackyle, Dec 13, 2006

jackyle

Discussion Starter · Dec 10, 2006

I have a Biostar p4m80-m7, and a prescott 524 3.06ghz. Biostar mobo is not overclock friendly, but does allow me to increase the cpu frequency. I have gotten it up to 3.4ghz, and everything runs fine. Problem is there is no way that I can figure out in bios to lower the DRAM (PC-3200 Ultra) frequency to get a 1:1 ration. The bios automatically increase my DRAM frequency as I increase the cpu frequency. So I have a 133 fsb, and ddr2 @ 200 for a no overclock 6:4 ratio. As I increase the cpu so goes the DRAM. So it's always 6:4. Is this a major problem. Is there a way around it that anyone can suggest.

I can play all games OC'd and never have a problem except for BF2 which hates when I oc the CPU, and crashes to desktop. It lets me play with an OC's 6800 gfx card though at least

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jackyle

Discussion Starter · #2 · Dec 10, 2006

no one? I am a n00b. help please.

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Bitemarks and bloodstains

· #3 · Dec 10, 2006

to change the freq go into advanced chipset features then dram clock/drive control then dram clock and change the value from spd to 133 that should make it run in 1/1 with the cpu

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smallia16

· #4 · Dec 10, 2006

yeh sounds like my asrock motherboard. Should be a dram freq option.

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jackyle

Discussion Starter · #5 · Dec 10, 2006

There is an option to set it to 100, 133, 166, or by speed.

you can see it on pg 16 of the bios manual

ftp://ftp.biostar-usa.com/manuals/P4...M80-M7bios.pdf

So if I set it to 133, then try to increase the cpu frequency I am wondering if it will lock at 133 or continue to rise as I increase the cpu frequency to keep that 1:1 ratio.

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Bitemarks and bloodstains

· #6 · Dec 11, 2006

133 will be the starting point the ram will then rise with the cpu keeping it at 1:1

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jackyle

Discussion Starter · #7 · Dec 12, 2006

That worked... thank you, thank you, thank you!!!

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jackyle

Discussion Starter · #8 · Dec 13, 2006

Ok, a little follow up. I now have a 1:1 Cpu:Ram ratio. I overclocked to 3.4 from 3.06, but running aquamark I noted my CPU benchmark was lower than when I had a 6:4 ram to cpu ratio. So is the stability of the 1:1 ratio outwiegh the performance loss? it's not a big difference aquamark scored my cpu around 7200 originally, and now its 6813.

My gfx card 6800 is around 8500

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