Hello,
Follow these links,
http://www.windowsreinstall.com/articles/bios/

http://www.playtool.com/pages/biosfiddling/fiddle.html
http://www.pcguide.com/proc/setup/biossafe-c.html
http://www.ybet.be/en-hardware-1-23/bios-setup.htm

http://www.computerhope.com/help/phoenix.htm
http://www.computerhope.com/help/phoenix.htm
http://www.computerhope.com/help/phoenix.htm#03
hope it helps.

o