 These methods are designed to improve anti-aliasing quality of scenes with partially transparent textures (such as chain link fences) and textures at oblique angles to the viewing screen.Intellisample 4.0 support was enabled, unannounced, for GeForce 6 Series cards in NVIDIA's display driver ("Forceware"), version 91.45.This is not mentioned in the driver Release Notes or on NVIDIA's website.