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Asus server MB killing cmos battery.

C

Compman55

Golden Member
The factory battery was old and when I had a power failure I lost my cmos setting. No wonder the battery was reading 0.46vdc.

So I installed a new battery reading 3.23vdc, and a week later had another power failure, lost settings again. Battery dead again. What could be the problem?
 
Maybe the new battery was just crap. I've seen it happen with brand-new batteries (though not CR2032s).
Considering the cost of a new one, I'd try it.
 
Are you replacing with exactly what the motherboard manual specifies for the battery?
Also: be sure it's installed correctly. Put it in backwards, and you'd probably get what you describe.
Could also be a faulty PSU. But who knows?
 
Caps are all factory japan nichicon brand. These are not prone to leak and all look great. Battery had a use by 2022 date. It calls for a CR2032 and I did put it in the right way. I tried another, and when the next power failure occurs I will know if it works.
 
Compman55 said:
Caps are all factory japan nichicon brand. These are not prone to leak and all look great. Battery had a use by 2022 date. It calls for a CR2032 and I did put it in the right way. I tried another, and when the next power failure occurs I will know if it works.
Click to expand...

Or you could test it right now by unplugging the computer and seeing what happens. PSU off switch works as well.
 
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