How to get xfree 4.1 working

I have found my true type font problem. It seems I am running version 3 of xfree. I have installed the rpms for version 4.1 and tried to use sax2 to configure but the display goes off my screen & I can not change any settings. How do I switch from version 3 to version 4 of xfree? (using suse 7.1 ).