Original, tested and working Williams CPU boardset used in its Joust, Robotron, Sinistar and Stargate arcade games. Listing is for the CPU board only, this particular board is a Rev. B CPU (Part #5770-09656-00) and has been tested and works fine.
This particular board was recently repaired and has a set of new 4116 ram installed. Board was bench tested overnight without any issues. It will likely need a new battery holder if you plan on using the original battery setup.
