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Determining my offset, having a little trouble.

post #1 of 23
Thread Starter 
So I've recently gotten the OC on my 3570k stabilized. I'm at 4.5GHz with a Manual Voltage of 1.280V.
I want to get down to an offset value but I am having trouble determining what my offset should be. Here's what my power usage is looking like:
Load:
1.280Vcore
1.2710Vid

Idle:
1.280Vcore
1.2660Vid

1.280 is the lowest manual voltage I can go for rock solid stability. My temps are fine, into the upper 80's during 100 standard IBT runs and only lower-mid 80s during my 12 hour prime blend test. I just need a little guidance in setting up my offset voltage.

Thanks in advance!!
post #2 of 23
Quote:
Originally Posted by Meleeking View Post

So I've recently gotten the OC on my 3570k stabilized. I'm at 4.5GHz with a Manual Voltage of 1.280V.
I want to get down to an offset value but I am having trouble determining what my offset should be. Here's what my power usage is looking like:
Load:
1.280Vcore
1.2710Vid

Idle:
1.280Vcore
1.2660Vid

1.280 is the lowest manual voltage I can go for rock solid stability. My temps are fine, into the upper 80's during 100 standard IBT runs and only lower-mid 80s during my 12 hour prime blend test. I just need a little guidance in setting up my offset voltage.

Thanks in advance!!

Set offset to .005 and turbo to .004 then determine the load voltage. Add turbo equal to the difference current offset load and your stable fixed load. If you run into idle problems, remove some turbo and trade it for offset.

Edit to add: really you should find the corresponding guide to your motherboard and start from scratch. Knowing your stable vcore in fixed is helpful, but doesn't permit skipping steps in offset overclocking. Fill out rigbuilder and put your build in your signature, and people will be able to help more directly without asking as many questions.

Good luck!
Edited by inedenimadam - 4/9/13 at 8:47am
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post #3 of 23
+0.01 Youll probably need to set your LLC to Ultra High or whatever its called for your motherboard so you dont experience the VDROOP.
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post #4 of 23
If you put your offset as negative -0,005v. what is your voltage under load?

It should be 1.2710Vid - 0,005v = 1.266vcore

If its the case, then you need to adjust your offset (positive + 0,01v) in order to give your stable 1.28v

So: 1.2710Vid + 0.01v = 1.2810 vcore



This is the best guide to learn how to work with offset voltage.

CPU Core Voltage Offset Mode Overclocking



If you want your system to downclock and downvolt in idle, put these settings

EIST (Enhanced Intel Speedstep Technology) : Enabled
C1E : Enabled
C3/C6/C7 Report: AUTO



Edited by KaRLiToS - 4/9/13 at 9:10am
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post #5 of 23
While are we on the topic how is the VID determined. I mean where does the value for given CPU come from. Mine is a lot lower than his.
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post #6 of 23
Quote:
Originally Posted by Chunin View Post

While are we on the topic how is the VID determined. I mean where does the value for given CPU come from. Mine is a lot lower than his.
It is set by Intel, you cannot change it, and is not to be confused with vcore. It is only the voltage that Intel says the chip should use, not what it actually uses.
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post #7 of 23
So its like what the VCORE should be if i was to go by Intel standards or what? My idle VID is around 0.97V usually so its what Intel thinks should be enough for my CPU while idling?
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post #8 of 23
Read the guide I posted above, all information is there.
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post #9 of 23
Thread Starter 
Alright, so to get a base I went into bios, switched over to offset mod, with the amount set to auto. Turned my llc up to 75% and booted up. Boots fine, all that's cool. The minute I started IBT my temps shot to 104-105, literally surprised I didn't crash, needless to say I stopped IBT immediately. My voltage was jumping to something like 1.488 and 1.50. Is that simply because of the High llc and auto offset mode?
post #10 of 23
Quote:
Originally Posted by Meleeking View Post

Alright, so to get a base I went into bios, switched over to offset mod, with the amount set to auto. Turned my llc up to 75% and booted up. Boots fine, all that's cool. The minute I started IBT my temps shot to 104-105, literally surprised I didn't crash, needless to say I stopped IBT immediately. My voltage was jumping to something like 1.488 and 1.50. Is that simply because of the High llc and auto offset mode?
Don't use auto...
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