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Issues with overclocking the Q6600, changes do not apply. - Page 2

post #11 of 15
The B3's generally require 1.4v+ to go above 3.0-3.2. The max you safe vCore is 1.5V, and that's high. I'd try to stay at 1.4V or less for chip longevity.

Some quick tips:
►Set your your memory ratio 1:1, this eliminates memory as a stability issue while raising your FSB.
►Watch your temps, you haven't mentioned what cooling you are using, and I don't see it in your sig. You shouldn't really go above 62-63C on a B3.
►Lock your PCI at 33, and PCI-E at 100 if your board doesn't do this automatically.
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2500K 4/1/2011
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post #12 of 15
Thread Starter 
Quote:
Originally Posted by canna View Post
The B3's generally require 1.4v+ to go above 3.0-3.2. The max you safe vCore is 1.5V, and that's high. I'd try to stay at 1.4V or less for chip longevity.

Some quick tips:
►Set your your memory ratio 1:1, this eliminates memory as a stability issue while raising your FSB.
►Watch your temps, you haven't mentioned what cooling you are using, and I don't see it in your sig. You shouldn't really go above 62-63C on a B3.
►Lock your PCI at 33, and PCI-E at 100 if your board doesn't do this automatically.
I tried running 9x315 at 1.4V but it didnt work.
Quote:
Set your your memory ratio 1:1 .
I do not think my board has this option
Quote:
Watch your temps, you haven't mentioned what cooling you are using, and I don't see it in your sig. You shouldn't really go above 62-63C on a B3.
Am doing, im using the Hyper 212+ CM
Quote:
Lock your PCI at 33, and PCI-E at 100 if your board doesn't do this automatically.
Will try to find this option but most likely it does it automatically since it seems to want to hold your hand so much (like woo auto voltage and flashy red signs if you turn it off)
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post #13 of 15
Quote:
Originally Posted by canna View Post
The B3's generally require 1.4v+ to go above 3.0-3.2. The max you safe vCore is 1.5V, and that's high. I'd try to stay at 1.4V or less for chip longevity.

Some quick tips:
►Set your your memory ratio 1:1, this eliminates memory as a stability issue while raising your FSB.
as he is trying to get a fsb of 315, he doesn't need to unlink his ram, as his ram is 400mhz,
in the bios just leave your ram at default, speed eg. 400mhz or ddr2 800
but usually you are right, its only if his fsb is higher than 400, will the ram interfere in the OC.

your mobo is not the best for overclocking. i used to have an old g41 mobo and the highest i could get was 2.7GHz. 300 x 9

i have a B3 Q6600, i am at 1.4v and i found using a x9 multi i could not get past 3.0GHz, and yet with a x8 multi i have got to 3.3Ghz easily, with just the voltage at 1.4 and everything else on stock (except the ram, wich is at 1.9v but is at 990MHz).
i could probably go even higher, but running intel burn test my temps are 72.C, i know this is an extreme, as in everyday use all i get is the mid 50.s.

tbh if you got a used p35 or p45 mobo, you should easily get it to 3.3 to 3.4 or higher
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Old Slow Hand
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post #14 of 15
Thread Starter 
Forgot to update this thread, anyway I found the issue, I had to change the ram frequency multiplier (or something, I dont really remember) from auto to 2.5. If its on 3 or auto it just doesnt work, I currently have 3.2 with 1.4 V. Not sure if Its stable as I can not get IBT to run but I tried running folding @ home for a bit and everything seemed to be ok.
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post #15 of 15
Quote:
Originally Posted by candy wrapper View Post
Forgot to update this thread, anyway I found the issue, I had to change the ram frequency multiplier (or something, I dont really remember) from auto to 2.5. If its on 3 or auto it just doesnt work, I currently have 3.2 with 1.4 V. Not sure if Its stable as I can not get IBT to run but I tried running folding @ home for a bit and everything seemed to be ok.
Quote:
Originally Posted by candy wrapper View Post
Forgot to update this thread, anyway I found the issue, I had to change the ram frequency multiplier (or something, I dont really remember) from auto to 2.5. If its on 3 or auto it just doesnt work, I currently have 3.2 with 1.4 V. Not sure if Its stable as I can not get IBT to run but I tried running folding @ home for a bit and everything seemed to be ok.
Yeah, that's the memory setting I was talking about, your board just labels it differently. As you raise the FSB it overclocks your memory as well. Your default multiplier is 3.

So the stock FSB of 266 x 3 (multiplier) = 798, pretty much right at 800, which is what your RAM is rated for.

When you were overclocking...
315 x 3 = 945
315 x 2.5 = 787.5

This is why it fixed the issue, your memory hit the wall.



On the stability thing, try testing with Prime 95 instead, it's not quite as good as IBT, but it still gives you a general idea of stability. If it's stable, you need to decide if you want to go higher or not. If not, I'd start lowering the vCore, and then retesting for stability. Basically, set the vCore as low as possible for your overclock.
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2500K 4/1/2011
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