Technibble.com has now posted an article about "Guide to BIOS Functions
and Firmware Flashing"
"In this article we discuss the nature of BIOS, its general functions -
which vary between manufacturers and models - some common chokepoints,
and finally, ways of upgrading or fixing it. Learning to use and upgrade
your BIOS and other flash firmware is primarily for optimization
purposes, but can come handy in overcoming some very basic hardware