Web16 hours ago · A CMOS battery provides a continuous power supply to the CMOS chip on which the BIOS settings are stored. A computer can run without a CMOS battery but you … WebNov 30, 2013 · The CMOS battery is responsible for supplying backup power to the CMOS Real Time Clock (RTC) which stores date, time and hardware settings such floppy drive type, hard drive parameters, memory, cache settings and various other chip-set settings for the BIOS. Battery types:
How to Know when Your Computer Battery is Dead
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What is CMOS? All about the CMOS memory - IONOS
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