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  1. #1
    ROG Guru: Brown Belt Array tistou77 PC Specs
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    Offset Mode with 4930K and R4BE

    Hello

    I wanted to test, but I have missed something I think

    To 4500mhz in load

    VID: 1.115v (CoreTemp and Aida64)
    Vcore: 1.265v

    So I put a positive offset to 0.16, but I have a nice BSOD,
    More, the 0.16 is in purple (or red, I believe) in the bios
    And in the bios, it indicates 1.16v for vcore...

    I forgot something?

    Thanks
    Sorry for my english


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  2. #2
    ROG 師傅 Array Arne Saknussemm PC Specs
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    Arne Saknussemm's Avatar
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    Offset, especially positive offset is not straight maths....you cannot do the sum you have done there tistou77. The processor takes the offset value you input and then does it's own thing depending on current load, temps etc. "dynamic vid" or something like that.

    Best tactic for offset is to use manual vcore and find stable manual voltage for your OC. So find stable manual vcore for 4.5 in this case with LLC set to medium for example. Use CPUz to find what load voltage you have running a stress test.

    Then a little trial and error will get you back to this voltage using offset. Set minimum positive offset 0.005 for example and see if this boots and see if this runs your stress test...if BSOD then you have to try higher like 0.01 0.02 etc and then refine. Basically you want an offset value to give you the same load voltage in CPUz as you had with manual voltage. Again...this will not be straight mathematics.

    0.16 is a very large offset....typical range would be 0.005 to 0.0xx if you see what I mean...

    Sorry for my French it's a lot worse than your English

  3. #3
    ROG Guru: Brown Belt Array tistou77 PC Specs
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    Hi Arne

    In manual mode, the vcore is 1.265v (1.264v in load, LLC High)
    I must put the "Offset" on Auto, watch the vcore applied and apply + or - 0.005V depending on Vcore

    I do not really understand what I need to base me

    thanks

    PS: my english is with google trad
    Sorry for my english


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  4. #4
    ROG 師傅 Array Arne Saknussemm PC Specs
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    OK so you have your target...1.264 in CPUz. This is your base.

    Now go to offset and set positive and set 0.02. Then see what load voltage is in CPUz. If it is higher than 1.265 you need to lower offset amount (0.015 or 0.01 or set negative offset). If it is lower than 1.265 increase offset value a bit...0.025..

    You cannot calculate this really you have to do do it testing different values...

  5. #5
    ROG Guru: Brown Belt Array tistou77 PC Specs
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    I tested from +0.005 to +0.030, no boot
    At 0.050, the vcore is 1.056v (bios)

    Sorry for my english


    Case: Lian Li A77F
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  6. #6
    ROG Enthusiast Array extreme's Avatar
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    dont bother your vcore in bios. cpuz is the way to see what vcore is your cpu is at at load or at idle. so if your cpu need 1.265v then set offset to in + 0.50 or higher to reach that vcore. keep increasing until it boots and lastly stress test as always. good luck

  7. #7
    ROG 師傅 Array Arne Saknussemm PC Specs
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    from me too...OK so that is definitely proof that each CPU is it's own world...

    or...which BIOS?

    Seems strange....I think I would continue increasing offset to see what happens and check carefully CPUz and temps....

    or reflash BIOS with a fresh copy BIOS flashback method...

  8. #8
    ROG Guru: Brown Belt Array tistou77 PC Specs
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    With 0.040 (1.040v in the bios), BSOD for Windows
    With 0.050 (1.056v in the bios), BSOD for Windows
    I think I would have 0.27v to boot and be stable....
    Sorry for my english


    Case: Lian Li A77F
    MB: Rampage VI Extreme
    CPU: i9 7980XE
    RAM: G.Skill Trident Z RGB Royal 4x8Gb @4000 C16
    GPU: EVGA RTX 2080ti XC Ultra
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  9. #9
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    Something seems awfully wrong there. I would measure the voltages on the board with a multimeter to see what they really are.
    Motherboard: RIVE (3602 bios)
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