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Can't get PII 965 pass 3.7ghz, is this just a limiation with my chip?

post #1 of 8
Thread Starter 
I have the voltage set at 1.45v (I think I could do lower, but I never bothered). I tried increasing the multiplier up to 19.5x and I get BSOD almost immediately with Intel Burn Test.

My NB voltage is set at 1.4 I believe.

RAM is at 1.65v.

I haven't messed around with all the other tweaks yet because I'm not sure what does what.

Temperature was about 55c after 20 runs at 3.7ghz and when I raise it to 3.9ghz, it does run long enough to see the temperature go up past 55c.

Anyone know what I'm doing wrong or whether it's just a lousy chip?

EDIT: Sorry, put this on the wrong board xD
Edited by AverageGai - 1/21/11 at 1:59am
post #2 of 8
Hey. Drp the NBv to max 1.2v. No point upping that one. But U can try to up the cpu/nb v to 1.2v.
U can also try to set Ur ram to 1333Mhz since thats what Ur motherboards support.

It could also be the temp that makes U bsod. Instability could show its face from 55c.

Try what I suggested and post back
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post #3 of 8
Change the topic on the PII part, and make it P II with a space because it looks like your talking about a Pentium 2 lol
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post #4 of 8
Quote:
Originally Posted by AverageGai View Post
I have the voltage set at 1.45v (I think I could do lower, but I never bothered). I tried increasing the multiplier up to 19.5x and I get BSOD almost immediately with Intel Burn Test.

My NB voltage is set at 1.4 I believe.

RAM is at 1.65v.

I haven't messed around with all the other tweaks yet because I'm not sure what does what.

Temperature was about 55c after 20 runs at 3.7ghz and when I raise it to 3.9ghz, it does run long enough to see the temperature go up past 55c.

Anyone know what I'm doing wrong or whether it's just a lousy chip?

EDIT: Sorry, put this on the wrong board xD
Easy on the NB voltage..

Use a better cooler / better fans and sort out any case ventilation problems.

Tone that CPU vid down too ?? Thats too high for the vcore :/ Not for 3.7 .. See if you can hit ~3.65 at 1.4V core.. then the temps will fall and you won't have much of a problem anymore?

My CPU craps out at 3.9 GHz. @ 1.55v even thought it is more than stable @ 3.8 @ 1.4V.
More volts don't necessarily mean better stability, your chip should also have an equally high tolerance to higher volts before you add more volts

Again, tone back those NB and Vcore VIDs.
You'll be all right

As for other tweaks, go with increasing the NB freq multi to about 13x for that 1.4V.. however, if you're lucky, You may just hit 2.8 GHZ with a 14x multi at that voltage
Also, a low stock NB freq. may be causing instablilty. For a high OC , High NB clocks are required..

For a 2.6GHz NB, you can hit 3.8~4.2 Ghz on the CPU :_)
post #5 of 8
Eh I vote chip's limit at that voltage. Unless you're willing to run hotter doubt you'll squeeze more.

I needed 1.5v for my chip to get to 3.7 ghz (roughly 3.8 ghz for you).

3.6 ghz I just need stock voltage (with stock nb-freq).

Eh my theory is, if you get a chip when no higher model is available you have a higher chance to get a non-binned chip.

I'm sure if my chip passed as a 965 (however AMD tests it) they would have sold it for more.
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post #6 of 8
True true ^
Lol,
adding nothing of use here but check the forums, its all there
post #7 of 8
His motherboard (or rather, CPU/IMC) supports 1600Mhz just fine. Whatever the motherboards say about RAM speed support is bullcrap. That quality RAM shouldn't be holding anything back.
I'd link an article I wrote about it some weeks ago but I'm rather lazy at the moment.
post #8 of 8
BTW, xd 1771 , I've found stability @ 7-8-8-23 2T @1333 So far.. And I'm far from done
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