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Thread: P67A-UD4 goes mad when manually setting Vcore




  1. #1
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    Default P67A-UD4 goes mad when manually setting Vcore

    My issue is that any alteration to vcore will cause a bizarre result....
    This is what I do, although I have tried many variations / bioses etc.

    Clear CMOS for a nice fresh setup
    Boot to Bios
    Check settings (turbo and vcore) these show 1.188v vcore or 1.220 in the advanced voltage page (AUTO). Board reports Boot at 34 and Turbo at 35 - All as it should be.
    Alter vcore (Tried all sorts but say 1.35v).
    F10 and save - then re-boot
    Comes back fine, but Vcore now reports as 0.98v and Board reports Boot at 34 and Turbo at 16???? WTF
    If I then do F10 and save again... board will go into a power on and off cycle with no beeps or VGA

    Just to add that if i leave Vcore on Auto and LLC to Enabled it works ok I can set turbo at 50 and boot into windows where vcore is reported as 1.38v
    The chip will do 5.3+ on an asus P8P67 but needs 1.45 - 1.5v hence why i want to set the vcore manually.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: P67A-UD4 goes mad when manually setting Vcore

    Try an extended Clear CMOS, for 8 hours or so while you sleep and see if that fixes it.

    Unplug the PSU from the wall and press and hold the case power on button for one minute, or unplug the PSU from the board (8Pin and 24Pin), then remove the battery and let it sit for an extended period.

    If that fails to help, be sure you are using the very latest BIOS F7f.

    If none of that helps, and you are already using the latest BIOS, did you try older ones as well?

    You may end up having to RMA the board if none of that helps as it sounds like it might be faulty?

  3. #3
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    Default Re: P67A-UD4 goes mad when manually setting Vcore

    Lsdmeasap, thanks for the comments.

    I left it for 12 hours last night with the battery out and PSU disconnected and have tied an extended power button hold down.

    I have tried many bios versions including F7f none make any difference.

    I have ordered another board which is due tomorrow. So I will confirm back if that one is ok and therefore that this one must be bad. I have an RMA / refund agreed with my supplier.

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: P67A-UD4 goes mad when manually setting Vcore

    Ahh ok, well ya since you have already tried all that hopefully your new board will sort this out and it was just a faulty board.

    Let us know what you find out.

  5. #5
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    Default Re: P67A-UD4 goes mad when manually setting Vcore

    Update... New UD4 board arrived today and vcore adjustment is now working perfectly.
    So it was a faulty original board which is on it's way back now.

    Thanks for your help.

  6. #6
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: P67A-UD4 goes mad when manually setting Vcore

    Awesome to hear the new board is fine, and sorry you got a bad one the first time around!

    Thanks for the update on this!

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