OSSupport:Windows XP Size:46.6 MB # Added driver support for the following NVIDIA Quadro products : NVIDIA Quadro Plex 1000 Model S4.# Improved performance on workstation applications.# Enabled the NVIDIA Application Configuration Engine (ACE), version 1, on Windows XP.# Microsoft DirectX 9.0c and OpenGL 2.1 applications.# Many Quadro Plex and G-sync products compatibility fixes. Please read the release notes for more information on product support, feature limitations, driver fixes and known compatibility issues. Supported NVIDIA G-Sync ProductsQuadro FX 5500Quadro FX 4500 x2Quadro FX 4500Supported NVIDIA G-Sync II ProductsQuadro FX 5600Quadro FX 4600Supported NVIDIA Quadro Plex ProductsNVIDIA Quadro Plex 1000 Model INVIDIA Quadro Plex 1000 Model IINVIDIA Quadro Plex 1000 Model IIINVIDIA Quadro Plex 1000 Model IVNVIDIA Quadro Plex 1000 Model S4It is highly recommended to always use the most recent driver version available.Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.Try to set a system restore point before installing a device driver. NVIDIA Quadro 162.73 x64 will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.