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Thread: 8800GT voltage mods

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  1. #1
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    No, at 1.46V for the Gpu, i can push the card at 880mhz, and reach 900mhz if i lock the shaders at 2100mhz.
    but my performance decrease when the gpu run over 860mhz, so i set the card on 850/1000, i reach my best scores with this settings.
    So Actually my card run at 850/1000 Vgpu: 1.36V full since the last two weeks


    Last edited by Spideroz; 11-18-2007 at 03:16 PM.

  2. #2
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    My score lowers too over 810 core even though it is fairly stable. I guess we maxxed out the GPU. So are you going to get a G92 8800GTS in 2-3 weeks? I'm debating it...it should have the same PCB and same vmod but I might wait and get the GX2. That is 1.36v idle right?

  3. #3
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    Quote Originally Posted by Spideroz View Post
    No, at 1.46V for the Gpu, i can push the card at 880mhz, and reach 900mhz if i lock the shaders at 2100mhz.
    but my performance decrease when the gpu run over 860mhz, so i set the card on 850/1000, i reach my best scores with this settings.
    So Actually my card run at 850/1000 Vgpu: 1.36V full since the last two weeks


    What gpu block are you using and what ambient temps do you have? 39º running atitool is very good considering the vgpu you´re using.. and that´s a great card for sure

  4. #4
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    Spideroz
    pls detail your mod with pictures

    maybe you are doing something different for OVP
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  5. #5
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    Hi guys, i'm using a WaterBlock CHIPSET NexXxoS NBX-i, and my ambient temps was 20° celsius during the test.
    In my system i just have another waterblock for the cpu and both are cooled by a blacklord radiator with four 120mm fans.




    it's true than over 1.36V for the Vgpu, the gain is not really interesting with my watercooling, that's why i set my card to 1.31V idle, 1.36full and reach 850/1000, it seems to be the best settings for me.


    For the detail of my Vmodd, i don't have a lot of pictures, in fact, i just took one with my old camera, and the quality is pretty bad :p


    For this mod i do nothing particular and i just follow this guide using a 1000ohm Vr.
    Last edited by Spideroz; 11-19-2007 at 07:53 AM.

  6. #6
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    Quote Originally Posted by Spideroz View Post
    snip
    does your RAM get really got??

    also this chip here that you have a heatsink on
    is it necessary to be on it as well???

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  7. #7
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    Quote Originally Posted by dinos22 View Post
    does your RAM get really got??

    also this chip here that you have a heatsink on
    is it necessary to be on it as well???

    [IMG]
    I don't have a problem with temps there. I'll whip out my BRAND NEW TEMP PROBE!

    brb...

  8. #8
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    Quote Originally Posted by Hazaro View Post
    I don't have a problem with temps there. I'll whip out my BRAND NEW TEMP PROBE!

    brb...
    lol

    i have ram sinks on my ram...smaller copper ones and during ATI tool load they get hot >> you can't rest the finger on the sink for very long....heheheh

    i haven't touched that chip though but stock cooler does cover it
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  9. #9
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    Quote Originally Posted by dinos22 View Post
    lol

    i have ram sinks on my ram...smaller copper ones and during ATI tool load they get hot >> you can't rest the finger on the sink for very long....heheheh

    i haven't touched that chip though but stock cooler does cover it
    Ok so here's what I got...

    I couldn't get to the front of the card because my the angle... My CM 5 has good airflow With my 8800GT and Accelero S1 Cooler 713/1728/945

    Back of card:
    MOSFET area: 27C
    Random areas: 25C
    GPU core area: 27C

    Front side:
    RAMsink (idle): 31C
    Near top of heat pipe (idle): 31C

    GPU:
    Idle 39C (RivaTuner)

    Gonna do load now.
    Last edited by Hazaro; 12-08-2007 at 11:14 AM.

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