noiesmo@Kubuntu:~$  lsmod | grep nvidia
nvidia               6834708  32
agpgart                34096  2 nvidia,via_agp
i2c_core               21776  3 i2c_ec,nvidia,i2c_viapro
noiesmo@Kubuntu:~$ cat /etc/X11/xorg.conf |grep nvidia
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder3)  Mon Feb 26 23:38:46 PST 2007
    Driver         "nvidia"