My CPU is stuck at Turbo Boost Frequencies and Voltage Higher Than Set

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VicciVicVic

VicciVicVic

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My CPU (6600K) won't step down from Turbo Boost Speeds. It's overclocked to 4700MHz with a voltage of 1.375. My voltage also reads at a much higher number than I have set it in the BIOS as well. I tried reinstalling all of my monitoring programs but it didn't do anything. Even in the BIOS it reads higher than my 1.375 volts. I am using adaptive mode.
 
Solution
ko888
You can press function key F12 while you're in the UEFI setup and it will save a screen capture (i.e. Print Screen) with a uniquely generated file name to an attached USB flash drive.

You're adding 1.375 Volts to whatever the system normally uses during turbo mode. There will be Vdroop that will
reduce it to the 1.502-1.520 V that you're seeing.
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TheFluffyDog

TheFluffyDog

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DO you only notice the increase in voltage during stress tests? if so this is normal, and you shouldn't stress CPU in adaptive voltage mode. From a power savings perspective, adaptive doesn't help much, but what is a good idea is to set voltage to fixed and turn on intel C-states in your power management section on MOBO. This will drop the voltage at idle.

And feel free to leave the CPU at its fixed OC multiplier. Again, you wont notice any significant power or heat savings my using an adaptive multiplier.
 
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VicciVicVic

VicciVicVic

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I get the increase in voltage the whole time as my CPU is stuck in Turbo Boost mode. My BIOS is up to date, BTW. I was not trying to save power with the adaptive mode, but rather not have it run at a constant voltage as that could reduce life span when it is a low frequency and a high voltage.
 
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TheFluffyDog

TheFluffyDog

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Intel C-States in teh power management section of the MOBO. Use the highest C-States setting and that will bring the voltage down under idle. IF you really care about the multiplier coming down at idle for some reason (which btw wont extend the life of your CPU) you can set the multiplier to adaptive on the BIOS.

If you are already using C-States and an adaptive multiplier then we have other issues.
 
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TheFluffyDog

TheFluffyDog

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i use fixed voltage and fixed multiplier for my OC just cause its more predictable, but i do have C-States at the highest setting. had my 4670k @4.6Ghz for ~3-4 years or so now (got it whenever they came out) and i haven't looked back.

IF your looking for basic settings to just bring down that voltage when your at idle that should do it.
 
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VicciVicVic

VicciVicVic

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I just enabled them and it did nothing. My OC multiplier is at 47, but in the past it has been able to go down all the way to 800MHz but now it's just stuck at 4700MHz with the new BIOS update. I tried reverting but it did nothing.
 
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VicciVicVic

VicciVicVic

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I do now, however now the voltage just seems to dip every now and again and it will shot straight back up to 1.502-1.520.
 
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ko888

ko888

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The voltage should drop when core speed drops.

Adaptive mode adds extra voltage when the cores enter Turbo mode.
 
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VicciVicVic

VicciVicVic

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I know that it adds extra voltage which is why I picked it. I have the extra voltage set to be at .375 and normal voltage at 1.000; meaning that in total it should only be at 1.375 max however all of my software reads 1.502-1.520 depending on the load.
 
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rgd1101

rgd1101

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MERGED QUESTION
Question from VicciVicVic : "My CPU is stuck at Turbo Boost Frequencies and Voltage Higher Than Set"











 
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ko888

ko888

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Feb 18, 2009
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You can press function key F12 while you're in the UEFI setup and it will save a screen capture (i.e. Print Screen) with a uniquely generated file name to an attached USB flash drive.

You're adding 1.375 Volts to whatever the system normally uses during turbo mode. There will be Vdroop that will
reduce it to the 1.502-1.520 V that you're seeing.
 
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