Introduction
Got an itch to push your new NVIDIA 8800 GS, GT or GTS 512MB a little by doing a voltage modification? Well, you're in luck. All you need is a soldering iron and some simple resistors.
Disclaimer:
Performing the voltmod will void any and all warranties of your video card.
You - and only you - are responsible for any damage caused indirectly (or directly) by these modifications.
Overview
Backside view of a GeForce 8800 GS/GT/GTS 512MB with an NVIDIA reference design circuit board.
Note the chips of interest (blue arrows) and vGPU and vMEM measurement points (green arrows).