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Fun time with my i7 920 @ 4.4 GHz with SuperPi and others. Pics included!!

post #1 of 10
Thread Starter 
I decided to max out my CPU/mobo combo. I think the results are decent and the amount of voltage to get there was excessive.

I could barely boot to the OS with 21 x 210 and it wouldn't boot into Windows with 213 or higher. I didn't try any in between 210 and 213. My CPU voltage was just over 1.5V and QPI was just under 1.5V.

I updated my BIOS and I'm now able to use the x21 CPU CLK MULTIPLIER with speedstep and C-states turned off. Here are the pics!

http://s827.photobucket.com/albums/z...t=Newbuild.jpg

http://i827.photobucket.com/albums/z...PU/BigRun2.jpg

http://s827.photobucket.com/albums/z...44validate.jpg






Edited by one-shot - 10/4/11 at 1:51am
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post #2 of 10
Wow voltage so high!! What's your idle and load temps?
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post #3 of 10


the voltages are crazy..also what stepping are you using for a 920??OC sometimes rely on the chip/processor batch..anyways nice run mate!!
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post #4 of 10
Quote:
Originally Posted by kairi_zeroblade View Post


the voltages are crazy..also what stepping are you using for a 920??OC sometimes rely on the chip/processor batch..anyways nice run mate!!
he has a C0 i7.


good run chazzy boi.
 
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post #5 of 10
Thread Starter 
Quote:
Originally Posted by dhenzjhen View Post
Wow voltage so high!! What's your idle and load temps?
Thanks for the responses. My CPU is a late C0 revision that really, really likes voltage. I slowly raised the voltages until I stopped getting 124 or 101 BSoD codes. Unfortunately, it took me to ~1.51 Volts to the CPU to satisfy it's demand. 1.475 gave me a 101 and so did 1.5 Volts.

I didn't put it under load at 4.4 GHz. I was surprised it didn't freeze on SuperPi! At 4.2 GHz with 1.45V, the load temps were under 80C with HT off.
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post #6 of 10
Good Job!!
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post #7 of 10
Nice! mine idle was around 32-40 and load 82 with 20 pass on IBT
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post #8 of 10
Thread Starter 
Quote:
Originally Posted by dhenzjhen View Post
Nice! mine idle was around 32-40 and load 82 with 20 pass on IBT
Very Nice. I didn't dare stress it for fear of it blue screening. You have a very nice chip if you can hit that frequency stable with a low voltage.
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post #9 of 10
Quote:
Originally Posted by one-shot View Post
Very Nice. I didn't dare stress it for fear of it blue screening. You have a very nice chip if you can hit that frequency stable with a low voltage.

I think the voltage is good enough for power hungry 6 core xeons + HT
on. I will try HT off when I have time to see if I could lower the vcore to
1.3ish.
Edited by dhenzjhen - 10/3/11 at 10:40am
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post #10 of 10
Thread Starter 
Quote:
Originally Posted by dhenzjhen View Post
I think the voltage is good enough for power hungry 6 core xeons + HT
on. I will try HT off when I have time to see if I could lower the vcore to
1.3ish.
I bet you'll also notice a drop in power usage. My power draw went up 50 Watts from 198 W @ 2.66 on auto voltage (~1.25) to 247 W @ 3.8 1.35V and 1.325 QPI. I'm trying to get the maximum amount of crunching points on WCG I'm able to.
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