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Thread: x79-ud5 bios update

  1. #1
    kostas75# is offline Junior Member
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    Default x79-ud5 bios update

    hello to everyone
    i have a x79-ud5 motherboard with f13z bios
    the only problem that i have is that there is a vdrop under 100% load something that i didnt have with older bios
    do you guys think that with new f14b this problem will go away?
    do you think that i must do the update for any other reason?
    cpu i7 3930k
    mem gskill f3-17000cl9q-16gbzh

    thanks in advance
    kostas.

  2. #2
    Peakr's Avatar
    Peakr is offline Junior Member
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    Default Re: x79-ud5 bios update

    Have you checked your advanced cpu core features? EIST and C1E will drop voltage when cpu is NOT under load.
    i7-3930K
    GA-x79-UD3
    Corsair H100
    4x2GB GSkill F3-12800CL6
    X-Fi Xtreme Music
    ASUS GTX660Ti
    Pioneer BDR-207DBK
    2X128GB Samsung 830's
    3XWD2002FYPS
    Corsair TX850
    Dell U2412M

  3. #3
    kostas75# is offline Junior Member
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    Default Re: x79-ud5 bios update

    Quote Originally Posted by Peakr View Post
    Have you checked your advanced cpu core features? EIST and C1E will drop voltage when cpu is NOT under load.
    both are disabled ,the problem is that since f13p bios i had a stable vcore no matter cpu load and now with 100% cpu load i have vdrop about 30mv
    i know that this is normal but i was wandering if i can go back to a stable vcore no matter loads.
    i did the update and now i am running f14b bios and vdrop is still here
    thanks for your reply

  4. #4
    Peakr's Avatar
    Peakr is offline Junior Member
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    Default Re: x79-ud5 bios update

    Try adjusting Load Line Calibration, not sure how your bios is laid out, it may be called something else. Other than that I can only think to flash back to previous bios.
    i7-3930K
    GA-x79-UD3
    Corsair H100
    4x2GB GSkill F3-12800CL6
    X-Fi Xtreme Music
    ASUS GTX660Ti
    Pioneer BDR-207DBK
    2X128GB Samsung 830's
    3XWD2002FYPS
    Corsair TX850
    Dell U2412M

  5. #5
    kostas75# is offline Junior Member
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    Default Re: x79-ud5 bios update

    Quote Originally Posted by Peakr View Post
    Try adjusting Load Line Calibration, not sure how your bios is laid out, it may be called something else. Other than that I can only think to flash back to previous bios.
    hello and thanks for your reply
    llc now is in turbo mode,when i put it in Auto vdrop is bigger,i have tried to flash back but neither @bios allows that nor qflash that bios utillity

  6. #6
    Peakr's Avatar
    Peakr is offline Junior Member
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    Default Re: x79-ud5 bios update

    Somewhere on this forum is an article describing how to downgrade, I couldn't find it. Here is another article describing the procedure. Good luck!

    Downgrade from F4 BIOS on Gigabyte ga-x79s-up5-wifi | HowIFixedIt.Net
    i7-3930K
    GA-x79-UD3
    Corsair H100
    4x2GB GSkill F3-12800CL6
    X-Fi Xtreme Music
    ASUS GTX660Ti
    Pioneer BDR-207DBK
    2X128GB Samsung 830's
    3XWD2002FYPS
    Corsair TX850
    Dell U2412M

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