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Thread: Feedback on my i7-920DO Overclock




  1. #11
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    Default Re: Feedback on my i7-920DO Overclock

    Quote Originally Posted by Lsdmeasap View Post
    Looks good, you using the latest BIOS?

    Vcore seems just about right really. ICH Core may not need to be that high though, and you might need a bit more IOH for stability in strong stress tests.

    Using x18 Uncore (2x +2) will help performance, instead of x16, I am assuming you are using x8 memory multiplier when I say that.

    Like you said here, i could use a little bit more IOH.
    Could it be the culprit?

    I was at 1.2 IOH Core, i pumped it to 1.28, should it be more?

    thanks man!

  2. #12
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    Default Re: Feedback on my i7-920DO Overclock

    Ya, it could be IOH or one of your memory settings. Random codes like that can be hard to narrow down as it could even be a driver or program causing it. Also could be uncore related, what multi are you using for Uncore? Sometimes using more than the norm (2x Ram multi) can help, I use 2x +2

    I would try 1.22-1.24 IOH and 1.2-1.24 QPI PLL. 1.28 IOH is a lot, and should not be needed at all, nor do I advise that because of how hot it will be

  3. #13
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    Default Re: Feedback on my i7-920DO Overclock

    Quote Originally Posted by Lsdmeasap View Post
    Ya, it could be IOH or one of your memory settings. Random codes like that can be hard to narrow down as it could even be a driver or program causing it. Also could be uncore related, what multi are you using for Uncore? Sometimes using more than the norm (2x Ram multi) can help, I use 2x +2

    I would try 1.22-1.24 IOH and 1.2-1.24 QPI PLL. 1.28 IOH is a lot, and should not be needed at all, nor do I advise that because of how hot it will be
    Noted for the IOH voltage!

    Now, i'm not sure to understand completely for the uncore 2X + 2 thing.
    Right now, my Uncore is x18, my blck is 200, my cpu mult is 21 and my ram mult is 8x. So my ram is running 1600 Mhz.

    Would that be ok?

    Because if i do 2x +2, is is 2x1600Mhz = 3200 + 200. So that would be 3400??

    Because right now, my uncore is 3600Mhz

    thanks,

  4. #14
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    Default Re: Feedback on my i7-920DO Overclock

    Ya, x18 Uncore is 2x +2

    2x ram mutli is the norm, and you are using 2x +2. So you are confused maybe on something? You are already using 2x +2, your memory multi is 8 x 2 +2 =18

    If you are saying your uncore is 3600 because of what you see in the BIOS, ignore that and manually set it to 2x (16) or 2x +2 (18)

  5. #15
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    Default Re: Feedback on my i7-920DO Overclock

    Quote Originally Posted by Lsdmeasap View Post
    Ya, x18 Uncore is 2x +2

    2x ram mutli is the norm, and you are using 2x +2. So you are confused maybe on something? You are already using 2x +2, your memory multi is 8 x 2 +2 =18

    If you are saying your uncore is 3600 because of what you see in the BIOS, ignore that and manually set it to 2x (16) or 2x +2 (18)
    Looks like i need 1.26v IOH to be stable @ 4.2Ghz

    Would that be too much?
    I think the temp of the mobo at full load is 57c, is that ok?

    thanks,

  6. #16
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    Default Re: Feedback on my i7-920DO Overclock

    That is normal.

    Too much I would say depends on your MCH temps, but pushing 1.28-1.3 is were it will start to get very hot

    Yes 57C is ok, you mean System/motherboard temp right? What is MCH temp?

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