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Thread: Uncore Clock stuck at 800 MHz




  1. #1
    luckyboy is offline Junior Member
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    Default Uncore Clock stuck at 800 MHz

    With f3 bios, when pc in idle, cpu uncore is 800 MHz, under load - 3700 or 3900 MHz. Now with f4 bios always is 800MHz?!? If I enable xmp profile, uncore clock is always 3500 MHz, even in idle. With f3 I do not have this problem. Any new bios for g1.sniper z87 - beta or moded?

    Last edited by luckyboy; 02-07-2015 at 02:23 AM.
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  2. #2
    Chike is offline Senior Member
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    Default Re: Uncore Clock stuck at 800 MHz

    Quote Originally Posted by luckyboy View Post
    With f3 bios, when pc in idle, cpu uncore is 800 MHz, under load - 3700 or 3900 MHz. Now with f4 bios always is 800MHz?!? If I enable xmp profile, uncore clock is always 3500 MHz, even in idle. With f3 I do not have this problem. Any new bios for g1.sniper z87 - beta or moded?
    Yeah quite odd, have you cleared CMOS?

  3. #3
    luckyboy is offline Junior Member
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    Default Re: Uncore Clock stuck at 800 MHz

    I cleared cmos when updateted to f4 before month. Downgraded to f3 and now is ok.
    Any differences between G1.Sniper Z87 - F4 -15.Aug 14 and G1.Sniper Z87 - F4 -21.Nov 14?
    Last edited by luckyboy; 02-07-2015 at 03:49 AM.
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  4. #4
    Chike is offline Senior Member
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    Default Re: Uncore Clock stuck at 800 MHz

    Quote Originally Posted by luckyboy View Post
    Good question, you can use comp to see if there is any difference.
    The better question is why have you updated at all, rule of thumb - if it works, don't fix it.

  5. #5
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    parsec is offline Senior Member
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    Default Re: Uncore Clock stuck at 800 MHz

    Quote Originally Posted by luckyboy View Post
    With f3 bios, when pc in idle, cpu uncore is 800 MHz, under load - 3700 or 3900 MHz. Now with f4 bios always is 800MHz?!? If I enable xmp profile, uncore clock is always 3500 MHz, even in idle. With f3 I do not have this problem. Any new bios for g1.sniper z87 - beta or moded?

    So the F4 BIOS seems to lock the Uncore/Cache frequency at 800MHz? What is the Uncore/Cache multiplier set to in the BIOS? Auto or a specific value? That is with XMP enabled and disabled, any difference in the Uncore/Cache multiplier setting?

  6. #6
    luckyboy is offline Junior Member
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    Default Re: Uncore Clock stuck at 800 MHz

    Quote Originally Posted by parsec View Post
    So the F4 BIOS seems to lock the Uncore/Cache frequency at 800MHz? What is the Uncore/Cache multiplier set to in the BIOS? Auto or a specific value?
    Auto. With f4 bios, if I enable xmp, uncore is 3500 MHz. When xpm is disabled - 800MHz. With f3 all is ok. Uncore is 800 MHz in idle and 3900MHz when run some benchmark or playing games.

    I can't understand, why after any bios update and restart pc, when Windows loaded, I see Balloon Notification about ''new driver was installed''?
    Last edited by luckyboy; 02-08-2015 at 04:13 AM.
    G1.Sniper Z87 | i7-4771 | GTX 780 WF OC | Barracuda 1tb | 2x8GB Evo Potenza 1866 CL9 | EVO 120gb | M12II 750W EVO Edition | Hyper 212 EVO | XL2411T | R1600T Plus


  7. #7
    Chike is offline Senior Member
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    Default Re: Uncore Clock stuck at 800 MHz

    Quote Originally Posted by luckyboy View Post
    I can't understand, why after any bios update and restart pc, when Windows loaded, I see Balloon Notification about ''new driver was installed''?
    Click the balloon and see which driver it was.

  8. #8
    luckyboy is offline Junior Member
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    Default Re: Uncore Clock stuck at 800 MHz

    One of them was network driver. Others...I think sata driver and something PCH, I'm not sure. But before and after bios update network driver version is the same, according device manager (screenshot below)?!?

    G1.Sniper Z87 | i7-4771 | GTX 780 WF OC | Barracuda 1tb | 2x8GB Evo Potenza 1866 CL9 | EVO 120gb | M12II 750W EVO Edition | Hyper 212 EVO | XL2411T | R1600T Plus


  9. #9
    Chike is offline Senior Member
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    Default Re: Uncore Clock stuck at 800 MHz

    You got some uninstalled devices (Other devices) what are those?

  10. #10
    luckyboy is offline Junior Member
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    Default Re: Uncore Clock stuck at 800 MHz

    This is pci simple communications controller and ''question mark'' is because I do not installed Intel Management Engine Interface driver. This driver is useless for me.
    G1.Sniper Z87 | i7-4771 | GTX 780 WF OC | Barracuda 1tb | 2x8GB Evo Potenza 1866 CL9 | EVO 120gb | M12II 750W EVO Edition | Hyper 212 EVO | XL2411T | R1600T Plus


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