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Thread: Illegal Sumout




  1. #1

    Default Illegal Sumout

    I am trying to get stable at 4GHz. System specs in signature.

    I started with:
    445x9
    2.ooD 890MHz
    Driving Strngth 800MHz
    Vcore 1.3
    VTerm 1.26
    PLL 1.5
    MCHCore 1.26
    ICH I/O 1.5
    ICH Core 1.2
    DRAM 2.0
    Prime crashed in 35min

    I changed:
    MCH 1.28
    Driving Profile to 1066MHz
    tRD to 12

    retested, Core 0 stable, Core 1 failed 11hours25mins

    I changed:
    vTerm 1.28
    tWTR 6

    retested, Core 0 stable, Core 1 failed 8hours20mins

    any suggestions?
    Last edited by grishkafool; 05-10-2009 at 05:02 AM.
    Quote Originally Posted by Alex St. John
    Consider for a moment that what we think of as “intelligence” is the byproduct of a computing architecture that depends on massive parallelism to interact with the world in real time without stalling for progress bars. If our ancestors’ brains had depended on running Vista on current dual-core processors for their survival, they would have been eaten by bears.

    Best Quote Ever...
    Quote Originally Posted by Psycho101
    Obey the one and only rule without question when you overclock.... don't cause a fire. Fires are hot and burny... not good.
    Intel E8400 EO@445x9--Gigabyte EP45-UD3P v1.1 ~ F9--EVGA 9800GT @ 700/1750/1100--8GB Gskill 1066

  2. #2
    Join Date
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    Default Re: Illegal Sumout

    Up your vCore. You can only push your luck on 1.3v for so long. 1.3625 is perfectly safe as long as temps are good.

    Revert the settings back to your longest error free run and up the vCore to 1.35v. If that's not stable, you can then proceed to increase CPU Termination back to 1.28v and test again.

    Try and be as patient as you can, you seem to be changing multiple things between tests. Unfortunately the closer you get to stability, the longer you have to stress test to find your system unstable.

    The remedy to your first crash was either MCH voltage or Driving Strength related. tRead likely had nothing to do with it. 10 should be plenty loose enough, but leave it alone for now.

    The difference between 11 1/2 and 8 1/2 hours is smaller than it sounds as both mean a fairly stable system that likely won't fall over regularly. It's almost close enough for it to be a chance happening, but judging by your vCore at load it does mean something. If I were to take a guess as to why you only lasted 8hr20min second time around, I'd say it was too much vTerm for the amount of vCore. CPU Termination should always be lower than actual vCore after vdroop. Your load CPU voltage is 1.26v.

    It would have been perfectly fine to continue in your original thread. The title of this one is a little obscure. I didn't understand what it was until I looked at your screenshot of stress.txt.
    Last edited by Psycho101; 05-10-2009 at 06:43 AM.
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  3. #3

    Default Re: Illegal Sumout

    CPU Termination should always be lower than actual vCore after vdroop
    OOOHHHH!! Wow, that clears up a question that has been bugging me, but that I haven't been able to formulate yet, thanks.

    Also, I didn't continue this in my orignal thread because I was afraid that it would then get ignored, haha. You know how that happens, after a while a thread becomes just a long string of things that are only loosely connected to the op, so you stop looking at them,,,,

    Alright, I will implement your recommendations and start testing again, TY Psycho.
    Quote Originally Posted by Alex St. John
    Consider for a moment that what we think of as “intelligence” is the byproduct of a computing architecture that depends on massive parallelism to interact with the world in real time without stalling for progress bars. If our ancestors’ brains had depended on running Vista on current dual-core processors for their survival, they would have been eaten by bears.

    Best Quote Ever...
    Quote Originally Posted by Psycho101
    Obey the one and only rule without question when you overclock.... don't cause a fire. Fires are hot and burny... not good.
    Intel E8400 EO@445x9--Gigabyte EP45-UD3P v1.1 ~ F9--EVGA 9800GT @ 700/1750/1100--8GB Gskill 1066

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