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Cannot go pass 270x9 for opty 165

post #1 of 28
Thread Starter 
Finally decided to play around some more. My opty 165 is CCBBE stepping. I don't know the rest..

Anyways, it's completely stable @ 270x9 using 333mhz memory divider for several months now. Prime+orthos stable.

So now that I'm seeing lots of people reaching 2.7ghz, figured it was time for me to try some more OC'ing.

Tried 271x9 using 333mhz divider 3x htt... no luck! I loosen up the ram timing to 3-3-3-8 2T (original ram timing is 2-3-3-6) and no luck. Up'ed the ram voltage to 2.7, up'ed the cpu voltage to 1.42 and used 266mhz divider...still, no luck

So what is the problem here? my cpu? my ram? Damn.. C&Q disabled.

currently using Asus A8n5X and geil ultra series ram pc3200.
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post #2 of 28
Try increasing your Northbridge voltage.
post #3 of 28
run ur memory @ ddr266 133mhz and drop ur HTTmulti to 3 or 2.5
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post #4 of 28
use 312 x 9
make sure CPU spread spectrum is off
vcore 1.4v
vmem 2.85v
northbridge voltage 1.6v
PCI-e clock 107 MHz

memory settings
use a 133 divider
memory timings stock 2-3-3-6 1t

see what happens. you should be able to hit 2.8 on stock w/ CCBBE
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post #5 of 28
I wish i scored and got a CCBBE
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post #6 of 28
Thread Starter 
Quote:
Originally Posted by mudd View Post
use 312 x 9
make sure CPU spread spectrum is off
vcore 1.4v
vmem 2.85v
northbridge voltage 1.6v
PCI-e clock 107 MHz

memory settings
use a 133 divider
memory timings stock 2-3-3-6 1t

see what happens. you should be able to hit 2.8 on stock w/ CCBBE

Shiet.. it'll run fine @ 280x9.. However, it will not run anywhere above that. I don't think mu mobo got the feature to increase the V on the northbridge .

As an experiment, I added another 1G 512X2 (same kind of ram) and filled up all the ram slots. It will not boot for some odd reason. I had to raise the Vdimm to 2.85. Before I didn't have to with 1G. Why is that?

is running 2.85vdimm even safe. Geil stated that the ram can take up to 2.9v..but running 2.85 24/7 could be bad?
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post #7 of 28
you can't use 4 sticks of memory w/ an AMD. the memory controller goes haywire.
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post #8 of 28
Thread Starter 
Quote:
Originally Posted by mudd View Post
you can't use 4 sticks of memory w/ an AMD. the memory controller goes haywire.
damn, i guess i'm gonna have to stick to 1G only then ... I'm still working on it using just 1G...
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post #9 of 28
4 sticks can be used depending on mobo, I have 4x512 installed with my brand new today 165, 4 hours into P95 and no errors at 2.8G. I cant seem to move any higher tho. With the Vcore at stock 1.35 I can hit 2.8 but if i change the voltage at all the comp wont post. Any suggestions? I have tried with only 2 sticks of ram and that didnt help at all
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post #10 of 28
Also, if possible, disable USB Legacy support.
    
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