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using .5 cpu multi's w/ RAM OC?

post #1 of 7
Thread Starter 
I know I've seen this somewhere, but I just can't seem to find it at the moment... so can someone explain to me or give me a link to a guide on overclocking RAM with a .5 cpu multiplier?

I've been messing around w/ my OC trying to get my cpu somewhere bt/wn 2.5-2.6 while getting more bandwith out of my RAM. My mobo can support up to a 350Mhz htt and my RAM can go all the way to DDR640. So I know I can get more performance out of my system with a lower cpu multiplier. But whenever I use a .5 cpu multi my RAM frequency is lower than I expect. I know there is an equation to figure this out...
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post #2 of 7
Can you clock your Cpu without touchin that ratio? or are you at that point where you have to. but anyway change the cpu/ram ratio to 166/133 hope it helps
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post #3 of 7
Quote:
Originally Posted by soloz2
I know I've seen this somewhere, but I just can't seem to find it at the moment... so can someone explain to me or give me a link to a guide on overclocking RAM with a .5 cpu multiplier?

I've been messing around w/ my OC trying to get my cpu somewhere bt/wn 2.5-2.6 while getting more bandwith out of my RAM. My mobo can support up to a 350Mhz htt and my RAM can go all the way to DDR640. So I know I can get more performance out of my system with a lower cpu multiplier. But whenever I use a .5 cpu multi my RAM frequency is lower than I expect. I know there is an equation to figure this out...
It's in my sig mate Using a .5 multi is only of help though if you're at the mobo's max, as otherwise it will always give you the same ram speed as the next full integer, when using the same CPU speed.
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post #4 of 7
Thread Starter 
Quote:
Originally Posted by Ste
It's in my sig mate Using a .5 multi is only of help though if you're at the mobo's max, as otherwise it will always give you the same ram speed as the next full integer, when using the same CPU speed.

yep, that's what I was looking for!

I'm currently not running my RAM on a dividor as it can go much higher than my cpu.. as can my mobo. but keeping my multi at 10 doesn't take full advangate of my RAM.

alright... it's all clear now... so I should try to stick to full cpu multis when trying to take full advantage of my RAM... I just was able to do the math myself w/ your equation.
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post #5 of 7
Quote:
Originally Posted by soloz2
yep, that's what I was looking for!

I'm currently not running my RAM on a dividor as it can go much higher than my cpu.. as can my mobo. but keeping my multi at 10 doesn't take full advangate of my RAM.

alright... it's all clear now... so I should try to stick to full cpu multis when trying to take full advantage of my RAM... I just was able to do the math myself w/ your equation.
You might as well. Using a .5 multi won't help here.
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Clevo P170HM
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post #6 of 7
Thread Starter 
sounds good... I might give 9x285 or somewhere around there a try later. I can also try 8x320 or so... that might be pushing my mobo and RAM a bit though
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post #7 of 7
Use this overclocking calculator to play around with multi's and dividers..
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