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Intel i7 920 Temps - Page 3

post #21 of 41
Thread Starter 
May I ask why? ****, I though that running this sucker at 12 gigs would be a BIG plus. I noticed that the new ram likes 1.8 volts, is it a voltage issue perhaps? Problem is that eleet is showing 8-8-8-8...hmmmm542 ad he 'noob' overclock guide I have is for the 'other' ram I have been running forever. I am not to concerned about hittng 4 Ghz, just was glad that I could and get those temps dpwn, BUT I do want to get up around 3.5+ that does make a difference. Nobody has said anything about my peltier idea? flush it? Thanx
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post #22 of 41
To manually set the timings, you would need to do it manually in the motherboard BIOS.

12 Gb of ram causes issues because the memory controller is part of the CPU, and there are a number of internal timings that are based off the bclock, so loading it up with more RAM to control + increasing the bclock tends to increase stability problems.
More than 6Gb of ram is pretty much worthless if you are not going to be doing a bunch of stuff like rendering, compiling, running virtual machines, etc..
For normal tasks and gaming, 6 Gb of ram at higher Mhz and tight timings is > 12Gb at lower Mhz and loose timings.

You also need to back off that 1.8v dram voltage. The maximum "safe" voltage per Intel is 1.65v. Going higher risks damage to the memory controller onboard the CPU.
The CPU VTT voltage needs to be within 0.5v of the dram bus voltage also.

I just noticed you have your CPU VTT voltage set at 1.5v!
That is a huge source of the excess heat your CPU is putting out.
Try backing down to 1.3v on the CPU VTT, maybe 1.35v if you are sticking with the 12 Gb of ram.

There are a number of pretty detailed guides floating around for overclocking the i7-920 that will detail all this.


Yes, scrap the peltier on the radiator idea...kookoo.gif
Edited by Caleal - 1/4/12 at 8:43pm
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post #23 of 41
Thread Starter 
Here is where I am at now with voltages: 544
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post #24 of 41
Thread Starter 
This is the original guide I used and tweaked CPU voltages from there sans the advice given here:
http://www.evga.com/forums/tm.aspx?m=20028&mpage=1
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post #25 of 41
A much better and more comprehensive guide.. here.. http://www.overclock.net/t/538439/guide-to-overclocking-the-core-i7-920-or-930-to-4-0ghz

And you can fill out your pc specs at ->My Profile ->Create a new Rig
Edited by ep45-ds3l - 1/4/12 at 8:55pm
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post #26 of 41
EEEEEEEEEewwwwwww software overclocking!thumbsdownsmileyanim.gif

tongue.gif
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post #27 of 41
Quote:
Originally Posted by Caleal View Post

With a DO chip, you should be able to do 4.2Ghz at closer to 1.3v, a little lower if it is a good chip.
I'd also look at getting a better cooler, the H40 is roughly equivalent to a mid range air cooler.
It is intended for stock and mild overclocks, at close to stock voltage, not something I'd recommend for 4+Ghz on a Bloomfield.

Not necessarily. My 930 D0 needs around 1.37 to do 4GHz. When running blend, temps are around low 70s, and that's with an H80.
Edited by Stefy - 1/4/12 at 8:59pm
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post #28 of 41
Thread Starter 
ok so here is what I just accomplished:
546542541

So run prime now?
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post #29 of 41
Quote:
Originally Posted by Stefy View Post

Not necessarily. My 930 D0 needs around 1.37 to do 4GHz. When running blend, temps are around low 70s, and that's with an H80.

Owch, a bit unlucky at the chip quality lotto. frown.gif
My 950 benefits from a higher multiplier, but I feel like I got a better than average chip since it will do 4Ghz @1.25v and 4.3Ghz @1.36v folding on 8 threads 24/7 for months now.
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post #30 of 41
Quote:
So run prime now?[/SIZE]

Yeah, but drop your vcore and CPU VTT to 1.3v, those are the two that heat up your CPU, and both are high for the OC you are currently testing.
The CPU VTT setting you have is particularly high, you really should try to keep it below 1.35v. Due to the heat generation, I wouldn't go over 1.3v on the CPU VTT unless you actually specifically need to because of crashes related to it.
As you work on your OC, you need to be able to determine what needs to be changed when you get a BSOD, otherwise you are just flailing around blind.
This chart will help with determining what to change to fix a BSOD problem:
http://forums.pureoverclock.com/showthread.php?12102-BSOD-Codes&highlight=bsod%20codes

This little program will retrieve the BSOD codes if you don't see them before the error screen goes away.
http://www.nirsoft.net/utils/blue_screen_view.html
Edited by Caleal - 1/4/12 at 9:30pm
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