What is the function of CMOS battery?

Related questions

1. What happens if CMOS battery dies?
2. Where is the CMOS battery located?
3. Does motherboard battery need replacing?
4. What is a typical symptom of a CMOS battery failure?
5. Does the CMOS battery need to be replaced?
6. What size CMOS battery do I need?
7. Are CMOS batteries rechargeable?
8. Do I need to change CMOS battery?
9. What kind of CMOS battery do I need?
10. What is a CMOS battery in a computer?

Tags

1. #loses
2. #resets
3. #system
4. #backup
5. #powered
6. #battery
7. #reset
8. #motherboard
9. #additionally
10. #memory
11. #physical
12. #energy
13. #clock
14. #settings
15. #custom
16. #houses
17. #configurations
18. #power
19. #setting
20. #onboard