ThinkComputers.org posted a guide on how to Flash your motherboards system BIOS

Recently Bob did an article on finding out the model of your motherboard. Since you usually find out the version of your boards BIOS at the same time, I thought that an article on updating, or flashing, your BIOS would be a good idea. There were numerous articles on the subject back when I first got into building, and all of them involved a 3.5 floppy drive. Today, nearly all motherboards have multiple options for flashing the BIOS, and normally a floppy isnt required.

How to Flash (Update) Your Motherboards System BIOS