The Inquirer found an interesting tidbit on NVIDIA's website regarding the latest ForceWare drivers.
It appears that with the new ForceWare 77.18 and above drivers NVIDIA dropped support for GeForce 2 and older graphics cards. Here's a list of all the cards that aren't supported anymore:
TNT2NVIDIA advises owners of these cards to keep using the older ForceWare Release 70 drivers.
TNT2 Model 64 (M64)
TNT2 Model 64 (M64) Pro
GeForce2 MX Integrated graphics