"The highest working speed I got is 220Core/500Memory. I was not able to push the ram any higher than 500 without
random lock ups. At the overclocked speed, the card just fall short of Ti 500 which is a lot more expensive than Ti 200. The overclocking is carried out with default cooling. "
FULL STORY @ OVERCLOCKERS (http://www.overclockers.co.nz/ocnz/vga/pixelviewgf3/f1.shtml)