Downgrading a kernel

["Waldher, Travis R" <Travis R Waldher boeing com>]

I upgraded to 2.4.20-18.8 because the compaq drivers needed 2.4.18-24, and I noticed redhat's site, by default shy's you away from the older kernel versions.

No problems.. But they wrote some of their drivers/software specific to certain kernel versions and the -nodep and -force options DON'T work against these RPMs.  (REALLY annoying.)  Called compaq and they want $230 an hour to talk to me about their software driver problem.  (OVER THE EDGE annoying.)

So.. How do I downgrade to 2.4.18-24.  I have the kernel, just need to know how without blowing up the system.  I upgraded it the first time using rpm -Uvh I believe.

Thanks,
Travis