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Thread: Z68-UD7 trouble with 2133Mhz Gskill RAM




  1. #1
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    Default Z68-UD7 trouble with 2133Mhz Gskill RAM

    Hi.

    I'm having trouble getting my RAM to run at the speed it should be capable of, using BIOS version F7d

    RAM is G.skill Ripjaws-X F3-17000CL9D-8GBXLD (2133 9-11-9-28-2N) (G.SKILL-Products)

    I've tried using the XMProfile, and also manually inputting the correct values in memory settings. I get BSOD's whenever I try running the RAM above 1866Mhz.

    I've read that I should try increasing the VccSA value, however increasing the "System Agent", which I assume is VccSA, setting seems to have no effect on the BSOD's.

    Anyone have any tips on what I could try to solve this problem?

  2. #2
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    Default Re: Z68-UD7 trouble with 2133Mhz Gskill RAM

    What qpi/vtt voltage and dram voltage are you using?
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
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    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
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  3. #3
    Chike is offline Senior Member
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    Default Re: Z68-UD7 trouble with 2133Mhz Gskill RAM

    Yes SA stands for system agent.
    Try with VTT first if increasing it to around 1.2v is not enough try the VccSA.
    Some say not to change VccSA but I've seen a few that has it set above specs.
    The ax for VccSA according to the specs is 0.971v

  4. #4
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    Default Re: Z68-UD7 trouble with 2133Mhz Gskill RAM

    My QPI/Vtt is on Auto, showing 1.050 as (I assume) default value. I've manually set DRAM voltage to 1.66 (seeing as I'm not able to pick the uneven number 1.65 which my RAM asks for).


    Chike, do you mean if increasing VTT doesn't work, I should try increasing both VTT and VccSa at the same time or just VccSa?

    Regarding VccSA, I've followed the recommendations of this OC guide
    Code:
    http://www.techreaction.net/2011/01/04/3-step-overclocking-guide--sandy-bridge-v0-1beta/
    , which suggests using up to 1.2 at max, but usually 1.15 when using high speed RAM (which I assume I can call my RAM).
    Last edited by thorborn; 06-17-2011 at 05:14 AM. Reason: fixed link

  5. #5
    Chike is offline Senior Member
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    Default Re: Z68-UD7 trouble with 2133Mhz Gskill RAM

    First increase QPI gradually, up to 1.2v, if that is not enough for stability try increasing VccSA.
    The link you have posted leads to "Sorry, no posts matched your criteria", but 1.2 seems very high, I'd be causious with VccSA.
    Use memtest86+ before you start windows, it's faster to boot, only if it comes without errors boot to windows.
    Usually test #5 finds errors quickly. To run only test #5, press c, 1,3,5,enter,0.
    In windows run an hour or 2 of Prime large FFT, then 8+ hours Prime95 blend.
    Last edited by Chike; 06-17-2011 at 05:10 AM.

  6. #6
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    Default Re: Z68-UD7 trouble with 2133Mhz Gskill RAM

    sorry about the link, the automatic link namer used on this forum somehow messed it up. I've fixed it now.

    Thanks Chike I'll give it a try.

  7. #7
    Chike is offline Senior Member
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    Default Re: Z68-UD7 trouble with 2133Mhz Gskill RAM

    Interesting the VTT(VCCIO) is not mentioned there.

  8. #8
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    Default Re: Z68-UD7 trouble with 2133Mhz Gskill RAM

    Yes its normal on gigabyte boards to set 1.66v which will be 1.648v in windows,you might only need a slight increase to 1.080v depends on CPU,some don't like more than 1.14v you just need to test until stable but leaving it on auto won't be ad reliable/accurate as a manual setting
    Last edited by wazza300; 06-17-2011 at 05:50 AM.
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

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