Model: Nvidia- based drivers for Viper 770, 770 Ultra (or any other TNT/TNT2)
Operating System: Windows 95 & Windows 98 (Note: might work with other versions of this os.)
Before downloading: Run Free Scan for Instant Driver Updates
These drivers are created by nVidia, creators of some damn fine video cards and robust driver support.
The easiest to use is the self-exe.