Is this a hd install?

If so you were asked to set up a password and if you don't know it you are out of luck. I think that you can boot from a knoppix cd mount your root partition and edit /etc/passwd file from there add this root2::0:0:root:/root:/bin/bash

now you should have a new user root2 with root priviledges that you can use to reset the root pw.

Hope this helps and good luck

IgnuU2