MPU327 Replacement Williams Pinball Machine System 3, 4 system 6 MPU. Made in USA

  

MPU327 Replacement Williams Pinball Machine System 3, 4 system 6 MPU. This product data sheet is originally written in English.

This board replaces both the MPU board AND the Driver board for ALL Williams System 3, 4, and 6 pinball games. Rottendog Made In The USA. Rottendog Replacement Board For Williams System 3 to 6 MPU/Driver Board. Benefits over original Williams MPU and Driver board.

Eliminates the extremely problematic interconnect connector that fastens the original boards together. Eliminates the need to swap out game ROMs. Game ROMs are selectable via DIP switch.

Uses 6802 instead of 6800 microprocessor. Uses a single commercially available oscillator component for timing. Uses Williams WPC style controlled lamp circuit design (TIP107). Uses Logic Level FET drivers for all solenoids and lamp controls. Uses sockets for common failure components (micro, PIAs, and RAM). Uses a low voltage reset to keep microprocessor from locking up. This game does use custom software that is NOT compatible with your original game's board set. Updates to this software will, I'm sure, be modified over time and updates will be made available through this website.

Latest software version is MPU327. Rottendog Made In The USA Rottendog Replacement Board For Williams System 3 to 6 MPU/Driver Board. Made In The USA This board replaces both the MPU board AND the Driver board for ALL Williams System 3, 4, and 6 pinball games. Eliminates the extremely problematic interconnect connector that fastens the original boards together Eliminates the need to swap out game ROMs.

Game ROMs are selectable via DIP switch This game does use custom software that is NOT compatible with your original game's board set.