What’s the best way to backup your BIOS?

You’re planning to update your BIOS to a new version, and you’d like to make sure you don’t lose any of your current BIOS settings. What’s the best way to guarantee a good backup of your BIOS information?

A) Use the built-in BIOS backup utilities

B) Print each BIOS configuration screen or copy the parameters down manually with pen and paper

C) Third-party applications can image the entire drive, including the BIOS settings

D) The BIOS is hardware based, and doesn’t require a backup

E) Place your computer on top of a flatbed scanner and digitize a perfect copy