Replacing CMOS Batteries in Old PC's – PC Restorer
What is a CMOS battery? What are its functions? - Quora
BIOS Battery Chips Close-up Macro on the Motherboard of the Computer Stock Image - Image of design, computer: 168743711
What is a CMOS battery and what does it do?
Elluminet Press Ltd - Replacing the CMOS Battery
No battery on motherboard. I recently bought a motherboard but it has no battery on it, does it need one to work? If so which one do I buy? Thanks so much :