Release Highlights:

* Beta driver – for a full list of fixed and known issues please view the Release Notes.
* Adds support for GeForce 7900 GS, GeForce 7300 GT, Quadro FX 4500 X2, Quadro FX 5500, Quadro FX 3500, Quadro FX 1500, and Quadro FX 560.
* Includes the new NVIDIA Control Panel. Please visit the NVIDIA Control Panel website for more information.
* New NVIDIA PureVideo features and enhancements. Please visit the NVIDIA PureVideo website for more information on PureVideo technology and system requirements.
o Adds noise reduction post processing
o Adds image sharpening post processing
o Improved Inverse telecine algorithm
o Improved de-interlacing algorithm
o Improved compatibility with third party MPEG-2 decoders
* Microsoft® DirectX® 9.0c and OpenGL® 2.0 support

http://download.nvidia.com/Windows/91.28/91.28_ForceWare_Release_Notes.pdf

Product Support List Windows XP Professional x64 Edition and Windows Server 2003 x64 Edition – 91.28

GeForce4 MX 420
GeForce4 MX 440
GeForce4 MX 440-SE
GeForce4 MX 440 with AGP8X
GeForce4 MX440SE with AGP8X
GeForce4 MX 460
GeForce4 MX Integrated graphics
GeForce4 MX 4000
GeForce FX 5100
GeForce FX 5200
GeForce FX 5200LE
GeForce FX 5200 Ultra
GeForce FX 5500
GeForce FX 5600
GeForce FX 5600 Ultra
GeForce FX 5600SE
GeForce FX 5600XT
GeForce FX 5700
GeForce FX 5700VE
GeForce FX 5700 Ultra
GeForce FX 5700LE
GeForce FX 5800
GeForce FX 5800 Ultra
GeForce FX 5900
GeForce FX 5900 Ultra
GeForce FX 5900XT
GeForce FX 5900ZT
GeForce FX 5950 Ultra
GeForce PCX 5300
GeForce PCX 5750
GeForce PCX 5900
GeForce 6100
GeForce 6150 LE
GeForce 6150
GeForce 6200
GeForce 6200 LE
GeForce 6200 with TurboCache
GeForce 6200SE with TurboCache
GeForce 6500
GeForce 6600
GeForce 6600 LE
GeForce 6600 VE
GeForce 6600 GT
GeForce 6610 XL
GeForce 6700 XL
GeForce 6800
GeForce 6800 LE
GeForce 6800 XE
GeForce 6800 XT
GeForce 6800 GS
GeForce 6800 GT
GeForce 6800 Ultra
GeForce 7300 LE
GeForce 7300 SE
GeForce 7300 GS
GeForce 7300 GT
GeForce 7500 LE
GeForce 7600 GS
GeForce 7600 GT
GeForce 7800 GS
GeForce 7800 GT
GeForce 7800 GTX
GeForce 7800 GTX 512
GeForce 7900 GS
GeForce 7900 GT
GeForce 7900 GTX
Quadro2 MXR
Quadro DCC
Quadro4 200 NVS
Quadro4 400 NVS
Quadro4 380 XGL
Quadro4 500 XGL
Quadro4 550 XGL
Quadro4 580 XGL
Quadro4 700 XGL
Quadro4 750 XGL
Quadro4 780 XGL
Quadro4 900 XGL
Quadro4 980 XGL
Quadro FX 330
Quadro FX 350
Quadro FX 500
Quadro FX 540
Quadro FX 550
Quadro FX 560
Quadro FX 600
Quadro FX 700
Quadro FX 1000
Quadro FX 1100
Quadro FX 1300
Quadro FX 1400
Quadro FX 1500
Quadro FX 2000
Quadro FX 3000
Quadro FX 3000G
Quadro FX 3400
Quadro FX 3450
Quadro FX 3500
Quadro FX 4000 SDI
Quadro FX 4400
Quadro FX 4500
Quadro FX 4500 X2
Quadro FX 5500
Quadro NVS
Quadro NVS with AGP8X
Quadro NVS 200
Quadro NVS 280
Quadro NVS 400
Quadro NVS 440
Quadro NVS 280 PCI
Alternative drivers to nVIDIA ForceWare Beta Driver 91.28 for Windows XP x64/Server 2003 x64: