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Thread: ATI 4850/4870 voltmod thread

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  1. 07-09-2008, 03:32 AM #11
    Devious
    Devious is offline
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    Ive done the pencil mod on my 4850 but over 1.35v im getting random reboots when running Fur bench even as low as 700 on the core. im running a 850w Silverstone Zeus, do you think this extra voltage is pulling too much ? i dont want to buy another psu and find its the same. Is the sinlge 6pin on the 4850's enough ?


    btw card is water cooled, never going above 45c and i have heatsink on the VRM's and according to GPU-z the dont go over 45c with a fan blowing on them.



    *EDIT*

    Quote Originally Posted by adpr_02 View Post
    No. No artifacts, just shuts off. I'm guessing something is running too hot..... Damned VRs are making my heatsinks hyper hot and they have 2 120mm fans blowing on them.... the cooling for this card is killing me.

    both my cards do the same as yours, what temps does GPU-Z report for your vrm's ?
    Last edited by Devious; 07-09-2008 at 03:36 AM.
    Q9650 @ 4Ghz - 1.216v
    E8600 @ 4500Ghz - 1.34v - Q822A435
    Q6600 @ 4014Ghz & E2160 @ 3.6Ghz
    Silverstone Zeus 850w, Maximum formula,
    Custom Water Cooling, 4GB OCZ 9200 Flex II,
    Xfire 4850's 800/1150, 3D Mark 06 , Vantage,
    Frontlineforce
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