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Thread: Gigabyte 9800GT Zalman fansink VMOD request

  1. #1
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    Gigabyte 9800GT Zalman fansink VMOD request

    i have the current card and i want to make a vmod/pencil mod on it... please help me to find the right ways to do it..
    very large and high quality pictures of the exact card can be found here :
    http://www.newegg.com/Product/Produc...82E16814125227
    2500K @ 5ghz 1.344V + TRUE 120 Black
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  2. #2
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    well its gigabyte, they just added gamerhub, so do to their website and it can add volts right in windows but just to 1.2 idk about a vmod mod not the same board
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  3. #3
    Diablo 3! Who's Excited?
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    Same exact PCB from the 8800GT, congrats on paying more money for the same card The phase controller is located on the backside of the card on the top left corner if you have the PCIe slot oriented as down. There is a capacitor with a silkscreened number of C1563, there is a pin that this capacitor is connected to along with a slew of other points in that area. Connect any of those points to ground with a 100k Ohm resistor and you are set to go. Just a note, the card voltage under load will occasionally spike +.1v and cause it to engage it's OVP cut-off if you push the voltage too high. I had my best results around 1.25v as the OVP engaged at 1.30v. Not the best card for vmodding, I had trouble getting 777MHz core, 1890MHz shader, 975MHz memory working. Sometimes it'd work and sometimes it'd crash via OVP.

  4. #4
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    and OVP is?
    and what is about this soft mod? how can i soft mod it?
    bios flashing ?
    2500K @ 5ghz 1.344V + TRUE 120 Black
    ASUS P8P67 Pro Rev 3.1
    Micron 4GB x 2 1333mhz CL8
    Gigabyte GTX 470 SLI + Zalman VF3000
    Crucial M4 128gb SSD +
    2x Samsung 103SJ, 1x Hitachi 2TB 7K3000
    Antec High Current Gamer 900W
    Lancool PC-K62WB

  5. #5
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    ovp=over voltage protection, and soft mod is bios, and its not reference board, and its just like the 8800gt, sorry if i cant spell
    Last edited by andrew2004gto; 08-21-2008 at 07:12 PM.
    Msi P7N Dimond SLi
    Q6600@3600
    2x2gb@1067
    8800gts 512mb 850/2160/1215
    3dmark06:17220
    crysis all very high at 1680x1050:29.9

  6. #6
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    There's always a way to kill OVP...
    You were not supposed to see this.

  7. #7
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    and how's that?
    also, in the gamerhud software it gives me to go upto 1.4V...
    what im asking is where can i measure the vgpu?
    if you can help to find out...
    2500K @ 5ghz 1.344V + TRUE 120 Black
    ASUS P8P67 Pro Rev 3.1
    Micron 4GB x 2 1333mhz CL8
    Gigabyte GTX 470 SLI + Zalman VF3000
    Crucial M4 128gb SSD +
    2x Samsung 103SJ, 1x Hitachi 2TB 7K3000
    Antec High Current Gamer 900W
    Lancool PC-K62WB

  8. #8
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    OVP can be disabled with a mod similar to the vGPU mod. Post a detailed pic of the card's backside (more accurately: the half the power connector is located on).
    You were not supposed to see this.

  9. #9
    Xtreme Member
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    without any mod only with gamerhud and the core voltage set to 1.4V(didn't check for real... guess its like 1.20 or so)
    this is the score(24/7 settings)
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    2500K @ 5ghz 1.344V + TRUE 120 Black
    ASUS P8P67 Pro Rev 3.1
    Micron 4GB x 2 1333mhz CL8
    Gigabyte GTX 470 SLI + Zalman VF3000
    Crucial M4 128gb SSD +
    2x Samsung 103SJ, 1x Hitachi 2TB 7K3000
    Antec High Current Gamer 900W
    Lancool PC-K62WB

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