A battery that maintains the time, date, hard disk and other configuration settings in the CMOS memory. CMOS batteries are small and are attached directly to the motherboard. See BIOS setup and ...

A computer's Basic Input Output System and Complementary Metal-Oxide Semiconductor together handle a rudimentary and essential process: they set up the computer and boot the operating system. The BIOS ...

CMOS or Complementary Metal Oxide Semiconductor is a small amount of memory in the motherboard of your computer and is used to store BIOS settings. They are very important for your computer as they ...

One of the main culprits behind BIOS issues is the CMOS battery. The battery powers the CMOS memory, which stores BIOS settings. If the battery is drained, the CMOS will not remember the settings, and ...