If you have nvidia agp gforce fx5500 256mb card and its have 2.0 pixel shader and you want to up grade it to pixel shader 3
If you have nvidia agp gforce fx5500 256mb card and its have 2.0 pixel shader and you want to up grade it to pixel shader 3
It is not possible, since pixel shader 2 is hardwared into the card. You would not be able to upgrade without changing a graphics card.