**Reel Slots** Gaming Machines > SIGMA Reel Games

Sigma SG-32B OMG


I recently picked up a Sigma machine.  I barely can get around with Bally S5500's.  I know nothing about this machine other than the AC works because the neons work.  My first question is: do the MPUs have some form of CMOS battery on them, if so where is it located and what type of battery is it?
I visually inspected both the AC and DC power supplies looking for obvious signs, didn't see anything obvious.  I'm attaching a pic of the processor board.  Any help much appreciated.

its the round battery. its a 5.5v

It is a Supercap. If it doesn't charge up within 5 minutes of turning power on you may need a new one.


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