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Thread: Size does matter: QPI/Vtt!




  1. #11
    Chike is offline Senior Member
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    Default Re: Size does matter: QPI/Vtt!

    Quote Originally Posted by jdvoracek View Post
    The is no XMP parameter for qpi/vtt
    I used to think the same, but apperantly there is a 1.2 revision to XMP which I cannot find it's datasheet, which define QPI voltage.
    It seems a bit odd since no one knows which machine they are goin to be installed in.
    Maybe someone that own a G.Skill Ripjaws-X can share their SPD.
    Here is a report of Thaiphoon which supports XMP rev. 1.2.

  2. #12
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Size does matter: QPI/Vtt!

    Some have a QPI Voltage parameter on XMP settings, some do not, I guess it's up to the company to decide?

    I've seen XMP QPI/Vtt 1.5-1.7 even!

    The set I am using now is 1.2 and doesn't have it, but others I have do.


  3. #13
    Chike is offline Senior Member
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    Default Re: Size does matter: QPI/Vtt!

    I don't know if they are XMP certified, but absolute max QPI/VTT in the i7-900 datasheet is 1.35v, so this is very weird.

  4. #14
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Size does matter: QPI/Vtt!

    I've seen Corsair and some Team (I think) have above 1.5-1.6 XMP setting for QPI/Vtt.

    Actually here, you can follow a link in my previous post a year ago about QPI/Vtt, there is a link here to Corsair's site where they show what some sets have XMP Programed and tested to use
    QPI/Vtt Voltage post (High is OK)

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