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Just got a new mobo - finally able to overclock! Now possible slight heat probs?

post #1 of 5
Thread Starter 
Hey all!
I'd been trying to OC this gal for a year and any time I hit stress test 3 cores would instantly underclock to 800mhz. I had a $40 mobo at the time. Just yesterday upgraded to the new one in my sig!

Now I can OC just fine!!! ..Except for some heat problems.

I also got a new case recently and currently have :
2 front intake, 2 top exhaust, 1 back exhaust - hyper 212 evo with push/pull w/ Arctic Silver

Well I have bench stress testing for the last 10 minutes or so and have just hit 60c - from what I understand the max for this CPU should be around 65 - but I don't want to hit that.
The case itself has a neat feature that has a 4 pin MOLEX adapter you plug in to the PSU, then has 4 chassis fan connectors, all of which are controlled by a switch on top - which of course I have set to highest speed. So the 2 front and 2 top fans are on that and the rear fan is plugged in to a casefan port on the motherboard. The two CPU fans are plugged in to the 2 CPU fan ports on the motherboard.

Is there something else I can do to get it a bit cooler so I can push my OC (stock is 3.6ghz) above 4ghz safely?

Edit : After another 10 minutes it hit 63c and I decided to cut it off at that point, just to be safe....
Edited by imranh101 - 7/29/13 at 3:09pm
post #2 of 5
62C is the max safe temp you want for a Phenom II. And youre probably not going to get over 4.0 GHz on a Phenom II at least not Prime95 or OCCT stable. The general top out for those things is 3.9 or 4.0. The Hyper 212 is going to be your weak link if you can indeed get over 4.0 because it will run out of horsepower before you can get enough voltage into your chip to get there.

3.9 should be easy doable though. What voltage are you running? 63C at 3.6 GHz seems a little high so Im thinking youve got too much juice running.
post #3 of 5
Thread Starter 
Quote:
Originally Posted by MacLeod View Post

62C is the max safe temp you want for a Phenom II. And youre probably not going to get over 4.0 GHz on a Phenom II at least not Prime95 or OCCT stable. The general top out for those things is 3.9 or 4.0. The Hyper 212 is going to be your weak link if you can indeed get over 4.0 because it will run out of horsepower before you can get enough voltage into your chip to get there.

3.9 should be easy doable though. What voltage are you running? 63C at 3.6 GHz seems a little high so Im thinking youve got too much juice running.

Hahaha, I meant 63c at 4ghz! Sorry if that was unclear. Is it possible I could drop the voltage a tiny bit to keep it at 4ghz but at a minutely cooler temp (just enough to call it safe)?
Also, how does P95's stress test compare to how it will be actually gaming (DayZ, TF2, Arma 3, etc...)?? Possible that these games will not push it so hard as to hit those temps?
post #4 of 5
Stress testers like Prime95 work your CPU harder than you will to ensure its stable at that speed. Doesn't show how well it'll perform in applications.

As for lowering the voltage, you'll have to determine that for yourself. Start taking it down a tick and then run P95 or OCCT (my favorite) and see how it works. Itll take a lot of trial and error but that's the fun part. wink.gif
post #5 of 5
Thread Starter 
I'm gonna hold it where it is (4ghz) and just play a few games like Arma 2 and BF3 (some of the more intensive ones) and watch how hot it gets... IF what you're saying is true I might be okay where I am!
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