The BIOS Firmware is stored in the complementary metal oxide semiconductor a special chip on the motherboard that holds the various BIOS settings. These settings include things like the parameters for the hard disks, the boot order, and the status (either enabled or disabled) of on board devices. Because BIOS is firmware. It can be updated, though it requires a special program to achieve this, The process of upgrading the BIOS is referred to as flashing. The BIOS can be flashed to provide additional functionality or to correct a problem with the current version of the BIOS. The procedure for upgrading the BIOS is covered later in this chapter.
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