I have two WPC95 games, on the one the MPU board is bluish in color, on the other the MPU board is green, pretty much the same color as the other boards. The markings on both boards are the same, on neither can I find a company name. Can anybody say if Williams put blue MPU boards in games or if it is more likely it was a replacement board somebody put in at some point?
The board on the left is a WPC95 MPU. The large board on the right is a WPC95 power/driver board.
I've come across some blue ones before, but I haven't dug into what might make them different.
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