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Too much voltage?

post #1 of 12
Thread Starter 
Hi everybody!
I just built my new PC. And I am pretty happy with the result! The first thing on my to-do list was to oc the hell out of that processor! My goal was to reach 4.5GHz and I did.
What concerns me is that the CPU needs 1.360V in BIOS to be stable. Under load the voltage gets up to 1.392V. Is that too much or is it OK?
The temps never go past 65*C under LinX and rarely past 60*C in games?
So what is your opinion?
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post #2 of 12
Quote:
Originally Posted by the.grim.reaper View Post
Hi everybody!
I just built my new PC. And I am pretty happy with the result! The first thing on my to-do list was to oc the hell out of that processor! My goal was to reach 4.5GHz and I did.
What concerns me is that the CPU needs 1.360V in BIOS to be stable. Under load the voltage gets up to 1.392V. Is that too much or is it OK?
The temps never go past 65*C under LinX and rarely past 60*C in games?
So what is your opinion?
It's very safe, but it's way more than needed on average for only 4.5 GHz. Usually, only about 1.3V to about 1.35V is needed. Although, you said that this is what it needs, so I guess if that's what it needs then that's what it needs...
It's a computer!
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It's a computer!
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post #3 of 12
Thread Starter 
Well I probably have missed something during my overclocking. I am fairly new to SB. What should I consider, what is important, could you recommend a good guide or something... And thank you!
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post #4 of 12
Quote:
Originally Posted by the.grim.reaper View Post
Well I probably have missed something during my overclocking. I am fairly new to SB. What should I consider, what is important, could you recommend a good guide or something... And thank you!
You're welcome.

I don't know (I know someone else will), but for 4.5 GHz there's usually not much to adjust so I'm kinda wondering now if maybe this is just the way this 2500K is. Some just need more voltage than others. So, it's kind of like a "luck of the draw" with Sandy Bridge.
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It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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post #5 of 12
Quote:
Originally Posted by the.grim.reaper View Post
Well I probably have missed something during my overclocking. I am fairly new to SB. What should I consider, what is important, could you recommend a good guide or something... And thank you!
It's perfectly fine, some chips need more voltage some don't. I would recommend running offset voltage after you find where it's stable. Here is a guide http://www.clunk.org.uk/forums/overc...beginners.html
post #6 of 12
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
You're welcome.

I don't know (I know someone else will), but for 4.5 GHz there's usually not much to adjust so I'm kinda wondering now if maybe this is just the way this 2500K is. Some just need more voltage than others. So, it's kind of like a "luck of the draw" with Sandy Bridge.
Yes that was what I was thinking too. Maybe it is just the chip... Oh well I am happy with these results. I'll just fiddle around with the settings again and see what happens.
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post #7 of 12
Thread Starter 
Quote:
Originally Posted by evilDSM View Post
It's perfectly fine, some chips need more voltage some don't. I would recommend running offset voltage after you find where it's stable. Here is a guide http://www.clunk.org.uk/forums/overc...beginners.html
Thanks for the guide! I'll look into it and see what I can do with my chip! Wish me luck!
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post #8 of 12
You could try lowering PLL voltage to about 1.72-1.75v
For me with this i could lower the Vcore by a tiny amount

Monitor VCCIO voltage and make sure it stays above 1.05V if your memory is clocked stock, mine fluctuated to as low as 1.01.
Setting VCCIO manually to 1.08 made me able to reduce the Vcore slighty more

I had 1.384v on 4,6ghz and after changing these 2 settings i was able to run it stable at 1.362v
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post #9 of 12
my I7 2600k using aisuite my vcore ramps upto 1.552v at times and i get a warning but everything runs stable and no issues as of yet..
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post #10 of 12
Quote:
Originally Posted by swtcastrol View Post
my I7 2600k using aisuite my vcore ramps upto 1.552v at times and i get a warning but everything runs stable and no issues as of yet..
DUDE what OC are u running lol
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