MSI z87-g45 and an i5 4670k

TysonY2

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May 29, 2014
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So, quick CPU oc question. (i5 4670k and msi z87-g45) I have my cpu oc'd to 4.2, with my mobo deciding how much voltage to send to it(auto). This works fine and has been stable for nearly 6 months now. While stress testing it kicks up to about 1.25 volts for a 4.2 oc. Now, If i change the setting to "adaptive" (which, if I understand correctly takes a voltage you put in and gives it some leaning room +\- some volts) and put my core clock volt at 1.25 it's still stable. As expected. The funny thing is, is putting 1.050 volts and leaving adaptive on boots the pc. Is it really 1.050 or is it the 1.25 volts my system puts "extra" in to compensate for stress? I cannot turn "adaptive" or "auto" off, so simply put I cannot lock the voltage to get accurate reads of what I'm booting at. If I OC to 4.3 the system automatically pushes 1.3+ volts through the cpu under stress, a number I am uncomfortable with. The other mode is "OverDrive", of which I am unfamiliar but have been advised not to use it. Do I just have a bad OCing cpu? Or am I missing something here? Why the hell are my required voltages so high? It honestly seems to not care at all what number I have set in adaptive, I could have 1.28 volts set in adaptive and its more than happy to push the voltage up and above 1.34 in Aida64. Having an extremely difficult time finding my right voltage oc when it varies like crazy. How do I MANUALLY lock the core voltage?
Also, I have my ram OC'd to 2400mhz (10-12-12-31). Does that make a difference? Thanks!
 
Solution
Adaptive voltage and auto voltage are pretty similar; the difference is that adaptive voltage allows you to specify a maximum voltage limit.

The leaning room that you refer to is offset voltage, which allows the motherboard to increase or decrease the voltage by a specified amount.

You should be able to manually set the CPU voltage (VCORE) by simply typing over the "adaptive" or "auto" options. You won't be able to disable VCORE as this will result in the processor receiving no power at all.
Adaptive voltage and auto voltage are pretty similar; the difference is that adaptive voltage allows you to specify a maximum voltage limit.

The leaning room that you refer to is offset voltage, which allows the motherboard to increase or decrease the voltage by a specified amount.

You should be able to manually set the CPU voltage (VCORE) by simply typing over the "adaptive" or "auto" options. You won't be able to disable VCORE as this will result in the processor receiving no power at all.
 
Solution