My guess is that it's there to keep the time when there's no power.

Cheers,
Dave

> On Jan 31, 2016, at 3:13 PM, Larry Colen <[email protected]> wrote:
> 
> I forgot, there is a CR 2032 on the motherboard.  I'm not sure what info it 
> is used to back up.  I meant to replace it while I was in there, but I 
> forgot.  oops.


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