it runs using the default driver in fedora 8.No 3d support though.
Fedora is probably running the nv kernel module, which provides 2d graphics only. To get 3d, you need the nvidia driver from the nvidia website.
My experience with installing the nvidia driver was that it installed ok, but didn't configure the graphics card. I had to do that using Suse's Sax2 from the command line. Then it worked.
So, it may be that the driver has installed successfully, and you just need to configure your graphics card to use it.
From the command line, do 'locate nvidia.ko'. If you find it in /usr/src, then it's installed. Do 'modprobe nvidia' to see what happens.