MPUSEC- This board is a plug and play replacement for the original Bally / Williams WPC-S Security MPU processor board. The original MPU board that this board replaces is Bally / Williams part number A-17651-xx (where xx is the game number).
Key Benefits Over Original / Replacement Boards
- Remote battery holder (no future acid damage).
- ZERO surface mount components. This is not a throw away board.
- No aftermarket custom components.
- Socketed through hole socket for RAM Chip.
- All new (not 20+ year old) components and PCB
- All of our components match the original schematic component designators, so you can troubleshoot with the original schematics or our schematics!