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Thread: OC'ing 8800 GT

  1. #1
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    Default OC'ing 8800 GT

    Hello all,

    In my attempts to OC a Sparkle 8800 GT, the card began showing a lot of artifacts with a 10/15% increase in core/mem.
    Driver used is 169.02 and rivatuner 2.06.
    What am I doing wrong?
    My prio card had a stable 30% increase so it can't be that.

    Thanks,
    N.

  2. #2
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    Default

    whats the temperature? (idle and load)
    What?

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    Default

    remember its just like oc'ing your cpu sometimes you need to increace vcore

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    Default

    can you increase volts on an 8800gt?

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    Default

    Core is at: 690
    Shader : 1725
    Mem: 1035

    In addition to showing artifacts, everything shuts down with a black screen one half a minute after starting random application. So its hard for me to know load temps, since i can't alttab out of the app. Idle they are at 68 C.

    What is vcore?

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    Quote Originally Posted by Niamaro View Post

    What is vcore?
    the voltage going into the core

    more voltage = more power (potential) and more heat
    What?

  7. #7
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    i honestly dont know if it has vcore options but all it is, is added voltage for the gpu.

  8. #8
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    well if your idling at 68C I'm pretty 99% sure that thats way to hot even for idle, but I'm not to sure with those new 8800 GT's because they're so new....but I'm pretty sure thats bad because that is extremely hot (154.4 degrees Fahrenheit)
    What?

  9. #9
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    its 65 nm right? and 65nm cpu's cant get over 65C without problems, may be a heat issue.

  10. #10
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    Default

    Quote Originally Posted by Niamaro View Post
    Idle they are at 68 C.
    68c at idle is way to hot. My 8800gts is around 40+ range for idle (on air).
    How are the air flow for the case?

    Wanna to improve the temp?
    1). Install the latest drive
    2). Tidy up those messy cables around the video card to improve the air flow path.
    3). Install a extra intake fan or exhaust fan
    4). Replace the card's stock fan with after market product.

    I think you should try the first 3 steps before you do the 4.

  11. #11
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    Try settuing your fans manually with Riva Tuner to 100%. This helped me get my temps down to 70c under load. With fans on auto i was reaching 85C. Idle temps with fans changed manually are 58C. Give it a try.

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    I have 2 8800gt in SLied and idle temps in my CM830 case is 40C and load 54C on a cold day and now that its getting kinda hot out it idles at 44C-46C and load on a hot day is 61C-62C it never breaks that point. air circulations is a computers best friend unless water is involved

    also I have fans turn up to 60% in rivatuner

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