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post #21 of 32
Quote:
Originally Posted by Kidio007 View Post
I read about how having Revision D0 helped a lot when you overclock, is this true?

When I am stress testing, and everything freezes, is that the same as BSOD? I tried to lower the volts when I was stress testing @4.2 (to get the temps down) and windows just froze. Is there any other tweaks I can do to avoid the freezing? I think it was cpu volt: 1.34 and QUI: 1.35 and 4.2ghz on prime 95. If I put the volt to 1.35 everything works fine, but I get the temperature: 87C after an hour.
I'm a little confused to what all your voltages are now, could you take a screen shot of your BIOS settings? Usually when everything freezes something isn't getting enough volts but I'm pretty sure its not your vCore or QPI.
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post #22 of 32
Thread Starter 
I attached some images I took with my camera in BIOS. This is 4.0Ghz.



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post #23 of 32
Quote:
Originally Posted by Kidio007 View Post
I attached some images I took with my camera in BIOS. This is 4.0Ghz.
What is your QPI multi at? I couldn't find it in the screen shots you provided. Try bumping your QPI up a bit.
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post #24 of 32
Thread Starter 
Quote:
Originally Posted by kschat View Post
What is your QPI multi at? I couldn't find it in the screen shots you provided. Try bumping your QPI up a bit.
I have never heard or touched QPI multi, not sure where it is lol. When I tried stress testing for 4.2ghz. my Vcore was 1.35 and QPI: 1.35. If I tried the Vcore under 1.35 I either wouldn't boot BIOS or it would freeze when I did my stress testing. And the problem is that it is too hot when both are at 1.35.
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post #25 of 32
Quote:
Originally Posted by Kidio007 View Post
I have never heard or touched QPI multi, not sure where it is lol. When I tried stress testing for 4.2ghz. my Vcore was 1.35 and QPI: 1.35. If I tried the Vcore under 1.35 I either wouldn't boot BIOS or it would freeze when I did my stress testing. And the problem is that it is too hot when both are at 1.35.
Well just like the cpu has a multi the qpi does too. Lowering it allows you to have a lower QPI voltage with out impacting performance. I think the QPI data link might be the multiplier. Just look around in your BIOS for the QPI multi.
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post #26 of 32
Thread Starter 
Quote:
Originally Posted by kschat View Post
Well just like the cpu has a multi the qpi does too. Lowering it allows you to have a lower QPI voltage with out impacting performance. I think the QPI data link might be the multiplier. Just look around in your BIOS for the QPI multi.
It has to be QPI Link Date Rate then. What do I set this to? One option is for example: 6965MT/s. The IOH and ICH Voltage, should I just keep them on Auto too? And the PLL Voltage?
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post #27 of 32
Thread Starter 
I tried 4.2ghz on prime 95. Cpu volt: 1.37. QPI: 1.36. QPI link rate: 7200MT/s.
After 1 minute I got 88 C in prime 95. Atleast nothing crashed, I just need to get temps down. What do I turn down to get lower temps AND avoid to get freezes when I use stress testing?
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post #28 of 32
About QPI... I know a standard ceiling multiplier for the QPI is x36. That would make it the 6876 number you mentioned. Put it on that- putting it higher than that could be throwing your system off.

About keeping temps down- keep in mind you're not rowing a boat down a gentle stream here. You've got a processor with 8 theoretical cores grinding out over FOUR G's while being forcibly sandwiched between two pieces of metal. There's going to come a time where you're going to need to pour enough coal on your processor to keep it stable that you're going to be able to use it as a backup furnace. Until you get to some wild and crazy water / N2 / peltier / phase change setup just know that when you put between 1.35-1.4 volts into it you're going to get heat.

Frankly, when you said 85 after an hour... I can't speak for anyone else but that wouldn't alarm me. If I were going to be folding 24/7 at 85 I'd start looking at my cooling. But for the amount of time you're going to be loading your system up like that... what's it idle at?
Edited by Eno75 - 12/28/10 at 2:12pm
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post #29 of 32
Thread Starter 
Quote:
Originally Posted by Eno75 View Post
About keeping temps down- keep in mind you're not rowing a boat down a gentle stream here. You've got a processor with 8 theoretical cores grinding out over FOUR G's while being forcibly sandwiched between two pieces of metal. There's going to come a time where you're going to need to pour enough coal on your processor to keep it stable that you're going to be able to use it as a backup furnace. Until you get to some wild and crazy water / N2 setup just know that when you put between 1.35-1.4 volts into it you're going to get heat.

Frankly, when you said 85 after an hour... I can't speak for anyone else but that wouldn't alarm me. If I were going to be folding 24/7 at 85 I'd start looking at my cooling. But for the amount of time you're going to be loading your system up like that... what's it idle at?
Idle the CPu now @ 4.2Ghz is 42C. I played a game and the temps were 65C. I thought I was supposed to use Prime 95 for an hour to test stability? For my everyday use the temps of the CPu would never go over 70C. Just the prime 95 thing that makes the temps high. If I get the cpu volt and QPI volt down to 1.35. I think I might be able to run one hour in Prime 95 and get about 90C.
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post #30 of 32
Yeah- there are some programs like LinX that could probably torture your CPU enough in an hour to claim stability in an hour... an hour is a START on Prime- but really, most guys let it run all night. THAT'S stable!

42 idle IS a little on the toasty side, not going to lie. With that case- looks like there's lots of fans on there- Good heatsink... what kind of paste is on it again?

Ensure your QPI link data rate is locked in at the 6876 I mentioned above (I was editing while you were writing, apparently ) I'm not sure you're going to be able to drop your QPI volts any more than it is... especially with your bclock up.

Also, turn off CPU TM function and PCIE Spread spectrum.
Edited by Eno75 - 12/28/10 at 2:27pm
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