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Can I get to 4.0GHz on a 965 BE? - Page 3

post #21 of 36
You can try I got 3.8 stable with no extra voltage.
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post #22 of 36
You ought to be careful, I don't think your VRMs have a heatsink.
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post #23 of 36
I've see several x6 users @4GHz only 1.42v. Probably a deneb c2 chip will require more vcore.
Yes 1.52 is not too high if you are @4.5GHz. That cooler master v8 is pretty weak, but still outperforms a hyper 212.
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post #24 of 36
Since you the black editing it will be really easy for you to overclock. What I would do is just go into the bios and increase the multiplier to 25 or 26, and you will see somewhere in the bios something that says xxxxmhz (the X will be numbers) Increase/Decrease the multiplier until that reads 4000mhz. For the voltage, you can experiment. You want to deliver enough voltage for your clock without over volting it causing instabilities and or excess heat. With the 965 I'd say somewhere around 1.45 volts should be good, but I've only ever used my 955 so I can't say for sure.
Now for stability tests download this:
http://www.cpuid.com/softwares/hwmonitor.html
Run HW monitor while stress testing, at the end of your test (8-12 hours is good - the more the better) Look at the readings for your cpu temperature, If the max is below 70, you are good to go. Your minimum should be what your temperature was before you started the test, 30-40 is good for that. BSOD's don't harm your system, they just mean that you are possibly doing harm to your system (when stress testing a BSOD usually means your CPU got to 70)
While stress testing periodically check the value of your current CPU temp in hardware monitor to see what the average temperature of your cpu is under full load. That number shouldn't really be above 60, if it is it's ok, but I keep my temperature under 60, makes me feel safe.
    
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post #25 of 36
Quote:
Originally Posted by otaku_ex View Post
I've see several x6 users @4GHz only 1.42v. Probably a deneb c2 chip will require more vcore.
Yes 1.52 is not too high if you are @4.5GHz. That cooler master v8 is pretty weak, but still outperforms a hyper 212.
Dude....what do you not understand. Not every processor is the same, and not every phenom II, c2 or c3 will hit 4ghz on air. I am simply informing him of his limits not telling him what he should get. Thats not good advice, especially not for someone new to overclocking. I'm not here to argue with you, I'm here to help out OP with his overclock.
Edited by UsedPaperclip - 4/23/11 at 10:21pm
post #26 of 36
most 955s (c3s at least) can reach 3.8 easy with little or no vcore raise. once you get past 3.8, the vcore requirements generally become much steeper.

remember that an OC'ed northbridge will be more beneficial than rreaching 4 ghz.

and as someone else stated, your 4+1 phase is unheatsinked, so don't crazy with voltages
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post #27 of 36
Quote:
Originally Posted by otaku_ex View Post
that hyper 212 won't be enough to reach 4GHz. At least use some delta fans, or upgrade to a corsair h50 or tt frio.
Don't say that unless you know what you're talking about. My 965 is at 4.0, 1.415v. All I use for cooling is the 212+ with the stock fan. Temps don't get about 45c on load.
post #28 of 36
Quote:
Originally Posted by Hoops View Post
Don't say that unless you know what you're talking about. My 965 is at 4.0, 1.415v. All I use for cooling is the 212+ with the stock fan. Temps don't get about 45c on load.
yea it all depends on your ambients. what are yours by the way? those are great temps
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post #29 of 36
Wow 45, outstanding temps...

Fazio could you please explain this northbridge OCing being more beneficial or point me in the right direction?
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post #30 of 36
It completely depends on your unique chip.
For example I got my 955BE to 3.89Ghz with stock volts. At full load I think the max temp I got to was 46 degrees with a CoolIt ECO p/p.

I only wish I didn't have a mobo that would burst into flames if I raised the volts. Who knows how far I could go?
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