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Please teach or show me to OC my i7-920 P6T - Page 3

post #21 of 31
Thread Starter 
I'm running realTemp 3.70 to monitor the temperature of the CPU. It started at 65 but slowly raising to 76-80. Should I start to worry? Should I shut it down? What's a safe temp to be at? I'm running 19x with bclk at 19 = 3.6
post #22 of 31
Thread Starter 
Should I lower my voltage from 1.33125 to 1.32? Would that help reduced the temps?
post #23 of 31
21 x 186FSB at all default settings should work for most P6T vanilla, P6T deluxe, and P6T deluxe V2. I have 3 boards and 2 systems here running at just that. 1.42voltage using stock heatsink and fans.
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post #24 of 31
Thread Starter 
Quote:
Originally Posted by linuxfueled View Post

21 x 186FSB at all default settings should work for most P6T vanilla, P6T deluxe, and P6T deluxe V2. I have 3 boards and 2 systems here running at just that. 1.42voltage using stock heatsink and fans.

What kind of temps are you getting in prime95?
post #25 of 31
Thread Starter 
After dropping the voltage from 1.33125 to just 1.30 I noticed a 5-8c drop in temperature. I'm currently seeing high 60s to low 70s compare to just high 70s when my voltage was at 1.33125.I want to drop the voltage more but I think I'll be happy where I am. 12 hours of prime and its pretty stable.

Thanks everybody for your effort and time. thumb.gif
post #26 of 31
Do you have a C0 or D0 stepping chip? You can check your CPU stepping by using a program like CPUZ. D0's runs on alot less voltage and thus can get higher clocks with less heat. If you've got a D0 chip you might able to lower your volts below 1.3V. thumb.gif

EX CPUz screenshot: http://valid.canardpc.com/cache/screenshot/1592772.png
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post #27 of 31
Thread Starter 
Quote:
Originally Posted by NitrousX View Post

Do you have a C0 or D0 stepping chip? You can check your CPU stepping by using a program like CPUZ. D0's runs on alot less voltage and thus can get higher clocks with less heat. If you've got a D0 chip you might able to lower your volts below 1.3V. thumb.gif
EX CPUz screenshot: http://valid.canardpc.com/cache/screenshot/1592772.png

Yes it has DO. It's a typical i7-920 bloomingfield chip. How would I lower it or how does it work?
post #28 of 31
Quote:
Originally Posted by kouasupra View Post

Yes it has DO. It's a typical i7-920 bloomingfield chip. How would I lower it or how does it work?

Keep lowering the voltage one notch at a time and run a stress test with IBT each time you do, when the computer crashes while the stress test is running just bump back 1 or 2 steps from the voltage you were at.
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post #29 of 31
Up to around 80-85C is acceptable in stress tests for this CPU. It's not going to reach anywhere near those temps in a real-world scenario. I like to keep my 920's core temps below or at 80 in Prime95, and up to 85 in IBT.
Keep lowering vcore and test stability, or just lower it to say 1.25 and raise it one notch every time your system crashes or returns an error. What BCLK and CPU multi are you at now?
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post #30 of 31
You will only be able to tell what your lowest stable voltage is by stress testing but I would start at 1.25V for 3.6GHz
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