Based on its famous predecessor the « PI-1 » MPU board, this all-in-one board has the same main characteristics, including:

• One board fits all System-1 games; entirely menu driven
• Professional manufacturing, advanced hardware protections
• Many exciting optional features to breathe new life into your System-1 game
• Parameters backed-up in a non volatile, battery-free memory
• 60+ page fully-illustrated user manual

Moreover, it combines the power supply + driver board + sound board (3-tone) on 1 single board:

• Direct replacement for all original A1, A2, A3 and A7 boards
• No more unreliable interconnect cables between A1/A2/A3
• All new power supply: simpler, more robust, power saving
• Built-in 3-tone sound board (games A..I); 1 or 2 loudspeakers
• Sound add-on available for advanced sounds (games J..S)
• Improved driver board with full protection against coil failures + advanced working tests

• plug-n-play installation in less than 10 seconds
• no modification needed in the game, except wiring the loudspeaker to the PI-1 X4 board with the provided cable, if not done already
• the original sound board or chimes unit, if present, will continue to work as usual
• select any sound set no matter the game it is installed in    - new automatic configuration mode: the selected game on the PI-1 X4 is also set on the sound board upon game power-up
• operating LED, DEMO pushbutton to play all sounds in a row, volume

Totem, Hulk, Genie, Buck Rogers, Torch, Roller Disco, Asteroid Annie

One board fits all games below, no need for a sound prom!

(*) Export version, non speech capable
(+) Most games

• All 3 original sound boards are combined in only one board
• The system, System-1 or System-80/80A, is automatically detected
• More compact, less components, less power consumed and fully hardware protected
• Game and function configuration by switches
• No sound prom needed
• No more exotic and scarce components (like the infamous 6530 chip)
• Advanced features: DEMO pushbutton for all games, door bell mode, etc..
• Stand-alone, fits in the existing connector in the cabinet (System-1) or front head (System-80/80A).
• Simple setup by means of dipswitches, operating LED
  DEMO pushbutton plays any game's sounds in a row!
• New "doorbell" feature to play the sounds of your favourite game!