NVIDIA released these beta drivers for Windows Vista RC1. The current ForceWare driver is a beta release that will enable you to test the basic features and capabilities of the new operating system. Windows Vista RC1 Driver Versions:

Audio Driver (v4.66) SMBus Driver (v4.56) SataRAID Driver (v9.04) SMU Driver (v1.20)

Supported Products:

nForce4 SLI nForce4 Ultra nForce4 Pro 2200 nForce 590 SLI nForce 570 SLI nForce 570 Ultra nForce 550

Windows Vista x64 RC1 - Windows Vista x86 RC1