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Thread: TRX3X6G1600C8D x 2 (12GB) on UD7 instability.




  1. #31
    Chike is offline Senior Member
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    Default Re: TRX3X6G1600C8D x 2 (12GB) on UD7 instability.

    There should be a way to tell which DIMM give the error by the error address.
    I would start by testting slots 2, 4, and 6 in single 4GB setup then 8GB dual channel setup.

  2. #32
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    Default Re: TRX3X6G1600C8D x 2 (12GB) on UD7 instability.

    Could you explain how to read an address to determine which DIMM it belongs to? I don't know anything about that.

  3. #33
    Chike is offline Senior Member
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    Default Re: TRX3X6G1600C8D x 2 (12GB) on UD7 instability.

    I am not quite sure, could you post some of them?
    Have you tried the single and dual channel tests?

  4. #34
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    Default Re: TRX3X6G1600C8D x 2 (12GB) on UD7 instability.

    001c48933a0
    001c4893420
    0022e4ac260
    0022e4c1780
    Err-Bits all = 10000000
    The errors come up while testing blocks 6144M-8192M and 8192M-10G

  5. #35
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    Default Re: TRX3X6G1600C8D x 2 (12GB) on UD7 instability.

    Well here's an interesting result.
    I was fed up with trying everything I could think of, and went with the last thing I wanted. Enabling XMP. To my surprise I went from having around 200 errors, down to just 5 (in the first pass). This is good news because I could now rotate RAM around and compare addresses to see if any are bad. As error addresses should change if a bad DIMM is moved. Well before I got to that I tweaked some more settings and right now I'm not getting any errors.

    Hopefully this time it's for real. I just wish there was a clear way of knowing exactly what XMP was doing, because I would rather set those things manually.

  6. #36
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    Default Re: TRX3X6G1600C8D x 2 (12GB) on UD7 instability.

    I am also running 2 sets of 6GB sets of memory on a UD7 rev 1 board but at even higher frequencies. This is what I am using for the settings.

    A CPU clock ratio of 23
    Gives a CPU Frequency of 4.37 GHz
    A QPI clock ratio of 36
    QPI Link speed of 6.84 GHz
    Uncore Clock Ratio of 21
    Uncore Frequency of 3990 MHz (This seems to be my bottleneck I cannot go above 4000 MHz)
    BCLK Frequency of 190
    System Memory Multiplier 10
    PCI Express Frequency 102

    Load Line Calibration level 2
    CPU Vcore 1.30625 V
    QPI/VTT 1.495 V
    QPI PLL 1.28 V
    IOH Core 1.200 V
    ICH Core 1.180 V
    Dram Voltage 1.680 V
    Coolermaster CM 690 II Advanced Case
    Gigabyte GA-X58A-UD7 rev 1
    Intel Core i7 960 @ 23 x1 88, 4.324GHz
    Thermaltake Toughpower 1200W
    EK Supreme HF Copper water block
    6 x 4GB Corsair Dominator-GT (CMT12GX3M3A2000C9), @ 1880 MHz 8-9-8-24, 1.66v
    2 x Gigabyte GTX 570 in SLI
    4 * WD Caviar Black 1TB


  7. #37
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: TRX3X6G1600C8D x 2 (12GB) on UD7 instability.

    You can see what XMP uses with CPU-tweak for the memory timings, and easytune for voltages.

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