It is assumed that modders have a basic knowledge of Voltage modifications. For a beginner's walk through, you can check this guide.You can find the full guide over here.
For GPU Core voltage mod, please solder a 10K ohms variable resistor to the point marked above. Remember to set it at maximum of 10K ohms and connect the other leg of the VR to ground. Measure the voltage at the check point marked with your multimeter. Tune down resistance slowly to increase core voltage..
NVIDIA GeForce 6800 GS voltage modding guide
Posted on Sunday, December 11 2005 @ 14:15 CET by Thomas De Maesschalck