cmos battery replacement

gigabyte fanboy

Prominent
Mar 12, 2017
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510
i bought a motherboard off ali express and it arrived without a cmos, its a ga z77 can i use any cmos for a replacement. can i use any old battery, can i damage the motherboard if i do.
 
Solution
Its CR2032. If you have one already, you can use a volt meter to test if its any good, greater than 3v will keep you going for now. These batteries are only about £0.15 each if bought in a strip of 5.