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Thread: z77x-ud5h bclk spiking

  1. #1
    thetanine is offline Junior Member
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    Default z77x-ud5h bclk spiking

    Just recently I have been having issues with my setup and couldn't really diagnose it. It would lock up for a few seconds or the sound and video would spaz out and just the other day, hdd corruption.

    Finally figured out that the bclk was spiking at random times. Still cannot find out why as I have changed nothing and its been fine for almost a year.

    I found out it was the bclk when I looked at hwinfo64 and the maximum it hit for was 109!! It must only hit it for a few seconds and return to normal.

    I have reflashed the bios, cleared cmos, used default bios settings, basically anything that could be the culprit. No luck. It still spikes every now and then and its usually hours into my pc running.

    I use no OC software or anything like that, its a fresh windows install ( as my hdd got corrupted ).

    Anyone have any ideas? I think the motherboard is dying as I don't think a CPU could cause this.

    I am thinking if its the motherboard dying then I might have to get a z87 setup.

    2500k
    z77x-ud5h f14 (even tried different bios and it still spikes)
    gtx 770

  2. #2
    boondocks's Avatar
    boondocks is online now Senior Member
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    Default Re: z77x-ud5h bclk spiking

    That's a strange one. I have two Z77 UD5H boards myself and I've never seen that happen. You should put in a support ticket with Gigabyte.
    Z87X-UD5H /4770K delidded /F10c mod BIOS
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  3. #3
    thetanine is offline Junior Member
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    Default Re: z77x-ud5h bclk spiking

    Guess nobody else has had this issue which kinda tells me it must be motherboard going out.

  4. #4
    gnr_tb is offline Junior Member
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    Default Re: z77x-ud5h bclk spiking

    flash the last beta from this forum, then pull out battery and short clr_cmos for a while ... at least 10 min I'd say.
    if that doesn't work, 100% defective board. I have the same issue and hope to finally get a nice Asus board after infinite Gigabyte RMAs and microstutter.

  5. #5
    Vinster is offline Senior Member
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    Default Re: z77x-ud5h bclk spiking

    this is related to you; BUS spikes to 102MHZ, what to do ??

    Vin
    Main Rig
    OS = Win7 64 Bit
    CPU = i7-980X @ 3.8Ghz 166x23 cooled ba a Corsair H100
    Mem = 6GB 2000Mhz Kingston HyperX running at 2044Mhz @ 9-10-9-27-1T
    MB = Gigabyte GA-X58A-UD5 v1.0 with F6 Bios - Dead Board
    MB = EVGA X58 Classified3
    GPU = 2x EVGA 580GTX 1.5GB in SLI
    HD = 3x Intel 40GB X25-V in Raid 0 (580MB Read/140MB Write)
    Storage = 500 GB WD
    PSU = Corwair TX950W
    Case = Cooler Master HAF-X 945

    HTPC / Home Server
    OS = Win7 64Bit running XBMC HTPC Front end with Windows Server 2011 Virtual Machine with 8GB ram assigned for homer server with exchange
    CPU = AMD 1090T
    Mem = 16GB 1600Mhz Kingston RED Limited Edition running at 1600Mhz
    MB = Gigabyte 790FXTA-UD5
    GPU- EVGA GT210
    HD = too many to count, but about 5TB of storage all together including backup
    PSU = Corsair TX750
    Case = Too embarrassed to mention.

    Benching MB's... Asus P5Q and Gigabyte 890FXA-UD7... too many CPU's and RAM sticks to list. :)

  6. #6
    thetanine is offline Junior Member
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    Default Re: z77x-ud5h bclk spiking

    I gave up on trying to fix this UD5H. I got almost a year out of it but I am pretty sure its almost dead now.

    Today the bclk even went down to 72 and as high as 104. I have tried almost every BIOS and have cleared the cmos so many times and the issue remains.

    I don't want people to think this is normal or common for this board because I haven't heard anyone else having this issue.

  7. #7
    chucky88 is offline Junior Member
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    Default Re: z77x-ud5h bclk spiking

    I had unusual bus readings(drops to 84 or 78) when Intel VT-d was enabled in BIOS (F18 Z77X-UD3H , F19 betas didnt help much, got tired of settings amnesia), after disabling bclk shows 100.10-11
    Still rarely (usually during skype calls) cursor stutters for 2-3 sec and then system just locks up, no event logs, etc (looks like bclk related stuff).
    C3/C6 disabled, no OC, no Turbo.
    Strange these Gigabyte boards are).

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