The AutoCAD Performance Driver is a new performance driver for Autodesk's AutoCAD 2009 software. Developed in close collaboration with Autodesk, the AutoCAD Performance Driver is a free, downloadable software driver capable of delivering dramatic performance improvements of up to 10 X on some tests, when coupled with NVIDIA Quadro® FX professional graphics solutions. The AutoCAD Performance Driver delivers accelerated performance on both OPENGL and DIRECT3D.
It supports OpenGL on Windows XP-32/64bit,
It supports Direct 3D on Windows XP-32/64bit, Vista-32/64bit