Download NVIDIA GeForce Forceware 197.55 Win dows 7 and Vista 32-bit
NVIDIA released its latest version of the GeForce driver suite, version 197.55, specific to the GeForce GTX 400 series graphics cards. The WHQL-signed drivers don't announce any more changes than a major feature change - official support for 4-way SLI on both GeForce GTX 480 and GeForce GTX 470.
The drivers only work with GeForce 400 series products. No Release Notes documents were published along with the drivers.
Supported are GeForce 400 series: GTX 470, GTX 480
We have an discussion thread open on these drives right here.