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Does this overclock look good so far?

post #1 of 19
Thread Starter 
Hey guys just wondered if this OC looked ok so far. I know I def need to run Prime longer but didn't know if these temps at that voltage was acceptable or not. Any advice or suggestions appreciated!

338

As you can see its set to 4.6ghz at around 1.38 volts. The temps were barely hitting the 60's. Is that good?
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post #2 of 19
Quote:
Originally Posted by Hexa View Post

Hey guys just wondered if this OC looked ok so far. I know I def need to run Prime longer but didn't know if these temps at that voltage was acceptable or not. Any advice or suggestions appreciated!
338
As you can see its set to 4.6ghz at around 1.38 volts. The temps were barely hitting the 60's. Is that good?

Mine's at 1.325V for 4.5GHz, so I'd say that you are in the clear. Temps in the 60's is great for an H80! My only question is why isn't your base clock locked to 100MHz?
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post #3 of 19
Thread Starter 
I don't know, is it supposed to be? All I did was change the cpu ratio to 45 in the bios. Haven't touched any other settings.
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post #4 of 19
Quote:
Originally Posted by Hexa View Post

I don't know, is it supposed to be? All I did was change the cpu ratio to 45 in the bios. Haven't touched any other settings.

Hm. If it's stable, then I say stick with it. I would try dropping the VCore a little. 1.36V seems a little high.
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post #5 of 19
Are you asking if you should stay "conservative" or be "risky"?
you can probly get 4.6 on stock volts really but the load temps still look good. thumb.gif
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post #6 of 19
Thread Starter 
Well the thing is I did not set the volts at anything this BIOS seems to be doing that itself as it jumps from 1.36 to 1.38 in CPUz.
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post #7 of 19
What are the temps after about 20 minutes vs the 2 minutes you posted?
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post #8 of 19
Thread Starter 
Not sure I had just done that. I will check now.

I have another question though. If the 1.38 volts is to high how do I lower it? This bios is weird and has most things set to auto but if I do change cpu voltage to manual there are quite alot of options for different voltages. I'm assuming the one that actually said CPU VOLTAGE would be it but when I changed it from "offset" to 1.32 and then navigated away it changed that 1.32 into purple which made me feel like that was bad?

Anyway, be back in 20 gonna run Prime 95 to get you the temp difference.
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post #9 of 19
Thread Starter 
These are temps after 20 minutes. The max any core got was 67.

338
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post #10 of 19
Hexa, I'm going through a similar exercise at the moment, and was wondering what your TJMax is set to in RealTemp? It seems the default setting is 98C but on my 2500k that was telling me idle temps were ~10C lower than ambient temps in my room. I don't think that is possible. Based on my reading around the net and trial & error I have lowered the TJMax value to 90C, and that seems to be more accurate.

With ambient in my room at 26.7C, my PC has been running Prime95 for nearly 6 hours now, with frequency at 47X 100MHz (4700 in CPU-Z), and the CPU temps seem to be peaking around 66C. Although I was hoping to keep around 60C, I have had to up voltage a few times to keep it stable, otherwise Prime95 was throwing Rounding Errors. Just to be on the safe side, I have set a thermal alarm in RealTemp at 72C, so if this temperature is reached it will shut the system down. There are instructions on the RealTemp web site for how to do this.

Why 72C? Because Intel states the TCase limit for the 2500K is 72.6C Intel-Core-i5-2500K-Processor-reference page.

I don't exactly know what TCase represents, I assume thermocouple temps taken at the outer case of the CPU, which likely means internal core temperature may be 10+C higher. There is a lot of different opinions on this, but I prefer to err on the safe side, so I'm aiming for lowest thermal load as I OC my PC. It would seem 4.7GHz is as far as my setup will go at safe temps, assuming it runs overnight tonight and doesn't reach the thermal alarm I have set.
Edited by PhilC2001 - 2/19/12 at 7:48pm
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