The issues that some users have reported seeing when using the GeForce 6600 GT AGP are due to a driver bug which causes 3D corruption when this GPU is used with certain motherboards, most notably SIS motherboards. The fix is included in this release.
*To fully experience NVIDIA PureVideo technology in GeForce 6 Series GPUs, the following software support is required:
3:2 pull down, MPEG-2 acceleration, and advanced de-interlacing require the NVIDIA DVD Decoder with Windows Media Player or Windows Media Center Edition
VMR Scaling requires VMR9 support found in Windows XP Media Center Edition 2005