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Help with changing CPU Voltage

Last response: in Overclocking
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May 17, 2013 3:50:54 AM

Motherboard: Z68-AP-D3 Version F6
CPU: i7 2600k


I'm new to overclocking so to start myself off I simply changed my clock speed to go from stock to 4.00ghz and stressed it and everything. So far so good only now I want to try getting it to 4.5. Thing is to achieve this at a stable level I need to change my voltage level, correct? My problems is that I've read maybe around 7 tutorials on overclocking and all have different names and menus for changing voltage and not a single one matches my BIOS menu. So now I have no idea what to edit in the menu to change my CPU Voltage. What I'm hoping now, is to show here what my menu looks like and hopefully someone can tell me which item exactly changes my CPU voltage.

tl;dr Below are images of my BIOS menu, please tell me which item I change to change my CPU voltage.

My Voltage menu:
https://dl.dropboxusercontent.com/u/15949445/Toms/Volta...

CPU Ratio menu:
https://dl.dropboxusercontent.com/u/15949445/Toms/Ratio...

Some random shots of other menus that might not be related but might help me:
https://dl.dropboxusercontent.com/u/15949445/Toms/Rando...
https://dl.dropboxusercontent.com/u/15949445/Toms/Rando...
https://dl.dropboxusercontent.com/u/15949445/Toms/Rando...
https://dl.dropboxusercontent.com/u/15949445/Toms/Rando...


Also, if there's anything that I did wrong that you see in the images for overclocking it'd be great if you informed me about that too.

Thanks for any help

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a b K Overclocking
a c 115 à CPUs
a c 163 V Motherboard
May 17, 2013 4:05:24 AM
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It's the Dynamic VCore one. Your MB sets the voltage as an offset from standard voltage - eg if it would normally be 1.1V at load and 0.9V at idle, a setting of +0.15V would result in idle of 1.05V and load of 1.25V.
May 17, 2013 4:19:51 AM

Someone Somewhere said:
It's the Dynamic VCore one. Your MB sets the voltage as an offset from standard voltage - eg if it would normally be 1.1V at load and 0.9V at idle, a setting of +0.15V would result in idle of 1.05V and load of 1.25V.


Thank you for the reply but I don't fully understand. Right now it's set to 0.000v. What does that mean?

What do I change exactly to make my voltage into 1.325v?

From what I've been reading 1.325v is the stable voltage for running 4.5ghz on a 2600k, is this still true?

Kinda bummed that I don't have a CPU Vcore setting like some of the tutorials I read. That would've made it much more simpler for me.
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a b K Overclocking
a c 115 à CPUs
a c 163 V Motherboard
May 17, 2013 4:29:36 AM

0.000V means it's at normal/stock voltage.

There should be a setting somewhere to change it from dynamic to static. Regardless, just typing in a voltage is generally a bad move - every chip is different. Your mileage may vary.

Different for every chip. Keeping it below about 1.4V seems to be the consensus for long-term safety.
May 17, 2013 4:35:24 AM

Someone Somewhere said:
0.000V means it's at normal/stock voltage.

There should be a setting somewhere to change it from dynamic to static. Regardless, just typing in a voltage is generally a bad move - every chip is different. Your mileage may vary.

Different for every chip. Keeping it below about 1.4V seems to be the consensus for long-term safety.


What do you recommend I type in for a 4.5ghz? 1.325v?

Do you think it'd better to just not touch the voltage at all and just set the ratio at 4.5 and leave it at that?
a b K Overclocking
a c 115 à CPUs
a c 163 V Motherboard
May 17, 2013 4:54:26 AM

The general trick is to do it a step at a time - not all 2600Ks will get to 4.5GHz. Increase the voltage a step at a time if it's unstable at a certain multiplier.

What cooler do you have?
May 17, 2013 5:26:17 AM

Someone Somewhere said:
not all 2600Ks will get to 4.5GHz


Apparently, mine is one of them. BSOD'S only seconds after starting the Prime95 torture at 4.5GHz at anything lower than 1.320v. Setting it at 1.320 makes my temperatures go around 85c a few minutes during the test which I don't feel is safe.

Thanks a ton for getting me to understand the whole DVcore thing, I get it now.

I'm sticking to 4.00GHz at 0.000, for now.

!