To autoload the nvidia module when it's needed, you need to add alias char-major-195 nvidia
to /etc/modules.conf, then run /sbin/depmod -a
And BTW, there is no such thing as Linux 7.2.whatever. Linux is at version 2.4.20 (or 2.5.50-something) right now; Linux 7 will not be released for an estimated 20 years.
You probably have RedHat 7.2, with kernel 2.4.7-10. RedHat is just a distribution.