MPU011A- This completely redesigned board replaces Williams System 11A & 11B MPU / Driver Boards part number D-11883-xxx (where xxx is the game number).
Alltek Ultimate Lamp/LED Driver Board Bally/Stern
The Alltek Ultimate MPU is a direct replacement for Bally® and Stern® pinball machine boards. Features include preprogrammed games, freeplay mode, no batteries needed, and easy installation. Lifetime warranty.