[root@17 ~]# yum install kmod-nvidia
Loading "fastestmirror" plugin
Loading mirror speeds from cached hostfile
updates 100% |=========================| 2.3 kB 00:00
fedora 100% |=========================| 2.1 kB 00:00
Setting up Install Process
Parsing package install arguments
No package kmod-nvidia available.
Nothing to do

ということなのですが・・・・・・。