All 2000i updates can be found on the omegaresearch.com ftp site. SP4 here: ftp://ftp.omegaresearch.com/PUB/updates/2000i_update_sp4/ SP5 here: ftp://ftp.omegaresearch.com/PUB/updates/2000i_update_sp5/
Thanks to everyone including all who sent me a PM. I've installed the files before and I just misplaced my backup CD file while I was moving. Again, thanks.