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. D CPU (Part #5770-09656-00) and has been tested and works fine.
This board has had its sockets replaced for the processor and Decoder roms as well as its power input caps.
Board has a new battery holder installed for coin cell batteries.
