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Thread: X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?




  1. #11
    Chike is offline Senior Member
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    Default Re: X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?

    Could be that QPI is set higher than default by auto.
    see what are actual values if it's possible with HWiNFO or HWMonitor
    Does memory has XMP profile(s)?

  2. #12
    wnk is offline Junior Member
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    Default Re: X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?

    Quote Originally Posted by Chike View Post
    see what are actual values if it's possible with HWiNFO or HWMonitor
    Does memory has XMP profile(s)
    You mean QPI multi or voltage?
    In Bios QPI is set to auto, but gives equal value as x36 - one of available multipliers (36,44,48) - 180 x 36 = 6480Mhz
    Default QPI/Vtt is 1,15 and now it's running on auto.

    Maybe screen-shot would be helpful to answer you correctly?
    X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?-hwinfo-jpg


    Ram is now XMP Profile2 mode, but multi values changed ofc.

  3. #13
    Chike is offline Senior Member
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    Default Re: X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?

    Quote Originally Posted by wnk View Post
    You mean QPI multi or voltage?
    Maybe screen-shot would be helpful to answer you correctly?
    Yes but sensors window, click <- -> to add columns if you need, to fit all sensors in.
    I believe memory should run be ok with 9-10-10/11-24 @ 1800, we'll see to that when you set on CPU OC.
    Last edited by Chike; 04-23-2015 at 04:59 AM.

  4. #14
    wnk is offline Junior Member
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    Default Re: X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?

    Quote Originally Posted by Chike View Post
    I believe memory should run be ok with 9-10-10/11-24 @ 1800
    Quite possible.

    It looks like this:
    X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?-sensorshw-jpg

  5. #15
    Chike is offline Senior Member
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    Default Re: X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?

    No QPI/Vtt Voltage there.
    If you have EasyTune installed, see what is QPI/Vtt target is in Tuner tab -> Voltage I tab
    * The "Official" Gigabyte GA-X58A-UD3R/UD5/UD7/UD9 Owner's Club * - Page 281

  6. #16
    wnk is offline Junior Member
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    Default Re: X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?

    Thank you for your patience and assistance.
    ET6 screen-shot.
    X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?-et6-jpg

    Qpi/vtt target is quite high in comparison to what I use - should I set it?
    Interesting thing is that all of target values are what I actually set in BIOS for now - apart from DRAM voltage set to 1,5v.

  7. #17
    Chike is offline Senior Member
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    Default Re: X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?

    Quote Originally Posted by wnk View Post
    Qpi/vtt target is quite high in comparison to what I use - should I set it?
    This is what you are "using" set by auto, when you set it lower (I assume) you couldn't boot at all.
    You may need to set it even higher to tighten timings or use higher frequency, or when you add memory.

    Quote Originally Posted by wnk
    Interesting thing is that all of target values are what I actually set in BIOS for now - apart from DRAM voltage set to 1,5v.
    DRAM Voltage is 1.6v target, you may need to increase it also for higher frequency and/or tighter timings, XMP profile for 2400 show 1.65v.

    However memory is not very important, see what you can get from CPU OC then tweak the memory a little or leave it as it is, not much benefit from it.
    You only use one DIMM right?

  8. #18
    wnk is offline Junior Member
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    Default Re: X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?

    Yeah, you are right - I wasn't conscious that QPI/Vtt needs to be so high,setting it above 1,34 - values change color to warn user.

    Not exceeding BCLK 180 (up to 3,78Ghz) system runs fine with RAM 1800 Cl 9-10-10-26 and Qpi/Vtt 1,34v, DRAM 1,62v.
    And that seems enough for me, since I'm getting tired of meddling.

    Keeping ram @ x10, uncore x20 - every value above 180 BCLK causes BSODs wth CPU Vcore values up to 1,35v. Didn't check higher.


    For now I use one DIMM stick, but after buying second one QPI/Vtt needs to be even higher to manage with 2 sticks?

  9. #19
    Chike is offline Senior Member
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    Default Re: X58a-UD3R Rev. 1.0 - 8GB dimm compatibility?

    QPI/Vtt may not need to be that high and leave enough range for more memory.
    You can lower memory frequency if you have trouble with more modules.
    I'm not sure but I think you may try uncore at x21 see if this helps you to increase BCLK, or memory x8.
    Last edited by Chike; 04-24-2015 at 06:21 AM.

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