BIOS Updates

All modern PCs include flash BIOSs. These are BIOSs that can be overwritten by the user. They reside on electrically erasable programmable ROMs (EEPROMs), which can be reprogrammed while residing in the motherboard. This can be a great feature because you can upgrade your BIOS to eliminate bugs or add features. Typically, the BIOS update utilities are DOS programs, so you need a DOS partition or a DOS boot floppy (the latter is generally safer).

Caution

BIOS updates are extremely useful but also potentially quite dangerous. If you select the wrong BIOS file or if something goes wrong during the flash process, your computer will be rendered unbootable. The only way to correct this problem is to replace the BIOS chip in the motherboard. ...

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