DescriptionThis is the security chip required for Bally / Williams WPC-S or WPC-95 pinball machines. This is the chip you need if you are getting a G10/U22 error or converting a PCB to this game.
These are the genuine factory part, not a bootleg or hack. Keep your game original! Contains the original proprietary security code needed for these machines.
These are game specific and are NOT interchangeable.