The printed manuals with mobo's are usually very spotty with info. Sometimes the pdf ones on the CD are a little better but they usually are the same thing.
Just do an internet search on BIOS and do a little research, find a lot better info this way.
http://www.electrocution.com/biosc.htm
Thats a good one, you get a little free reading but it really is worth the $15 for the PDF. A search should turn up similar stuff.
If you are just looking for the basic info, then that probably will be in the manual. There will be enough to get it set up