How can I set my cpu voltage to automatically drop when at idle ?

rumrunner24 · Apr 20, 2015

I have an i7 2600k and I want to push it just a little bit. I think I would be satisfied if I could get it to 4.0-4.2GHz

I would prefer to go as high as possible without increasing the voltage, but if I need to go up, I want to stay well under 1.3Vcore.
If I do increase the voltage, how can I set it to only use the max allowed voltage when it's needed ?

-i7 2600k @3.8
-ASUS P8 Z68 Pro MOBO
-Corsair H60 Hydro Series Cooler
-Corsair Rm 750 PSU

Thanks

Shorty06 · Apr 20, 2015

Use the manual voltage option when stability testing an overclock. After you know the overclock is stable, there should be an 'adaptive' voltage mode in the bios that will behave exactly like you want. Just beware that people recommend not stress testing when this setting is active as some programs can cause extra voltage to be supplied.

rumrunner24 · Apr 20, 2015

Shorty06 :

Thanks, That was causing issues because I was manually adjusting the voltage so that it would stay safe and when it was corrupting my os if I set it too low.

If I set the offset to on, it has the potential to go way higher than I want it to. how can I make it drop when it's not needed and only use the max Vcore I set manually ?
It'll drop when on, which is what I want, but that also allows it to go over at times.

Can I select - instead of + ?

Shorty06 · Apr 22, 2015

rumrunner24 :

Offset is different to adaptive. Offset will use your base voltage but offset (hence the name), meaning all voltages are slightly higher, including idle voltages which is not ideal. Like I said before, use adaptive mode which should allow you to enter a maximum voltage, and then the bios will automatically decrease and increase the voltage up to that amount.

rumrunner24 · Apr 22, 2015

Sorry, I was understanding. I don't see the "adaptive option" on my ASUS Bios. There's manual,auto and offset.

Also, I've read and heard that "adaptive" can cause instability and isn't ideal for my for certain overclocks.

Obviously, You have a reason for suggesting it so what are your thoughts ?

Shorty06 · Apr 23, 2015

rumrunner24 :

If your motherboard doesn't support adaptive mode then you'll have to use auto or offset. As for stability, I wouldn't imagine the other options would be much less stable. If you're doing extreme overclocking and want the maximum stability possible, running at the highest voltage the entire time is probably ever so slightly more stable with the trade off of a massively increased heat output and power usage. For all other cases adaptive is perfectly fine.

In your case, if auto is putting your voltages too high, I would try using the offset setting. I've never used it, but I believe you enter a positive value and that is then added to your stock voltages. Find a value that allows your overclock to be stable at full load and then the voltage will decrease when your processor is at idle.

Offset will cause slightly higher voltages at load, but is a much better solution than running at full voltage all the time.

For clarification, here is a comparison between adaptive and offset voltage:

http://linustechtips.com/main/topic/187959-z97-adaptive-voltage-setting/

As you can see, adaptive extends the stock voltages whilst offset literally adds on top of them. Both of these won't exceed a maximum voltage unlike auto.

rumrunner24 · May 2, 2015

Sounds good. This may be off topic, but how do you do this without corrupting your os five times in the process ?

That's why I was trying to get a set voltage asap. I'm not going for anything extreme and I realize that overclocking takes a little trial and error, but it keeps corrupting my os to the point it wont boot until I reinstall windows.

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How can I set my cpu voltage to automatically drop when at idle ?

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