
NI-WUMPF Enhanced CPU Board – Gottlieb System 1 (2014 Revision)
The Ultimate Gottlieb System 1 CPU Replacement – Reliable, Modern, and Loaded with Features
This plug-and-play replacement board is a direct drop-in for the original Gottlieb System 1 CPU and supports all System 1 games. Designed for durability and easier diagnostics, the NI-WUMPF CPU features re-written, glitch-free game code and modern components to eliminate battery damage, wiring issues, and outdated diagnostics.
No ROM swapping, no battery maintenance, just smooth, worry-free gameplay.
Key Features:
- Direct replacement for System 1 CPU board
- Re-written game code (no original bugs)
- 16 System 1 games included on one board – no ROM swapping
- Enhanced diagnostics via DIP switch menu
- Text-based on-screen diagnostics
- Built-in self-tests for switches, solenoids, and displays
- Battery-free memory storage with >100,000 write cycles
- Free play mode, ball save, million point scoring
- Add-a-ball support with disable options
- Open-collector output with zener diode protection
- Skill shot and idle mode animation
- Four high-score memory banks
- Designed for fast repairs and easy maintenance
Original MPU functionality has been closely duplicated and adds many optional features including:
- Free game mode
- Updated game options for many games to allow add-a-ball mode (multiple free-balls awarded during a single ball) where the playfield challenge is completely reset once after scoring the free-ball / special.
- Menu options to disable add-a-ball (for operators who requested it!)
- Automatic scoring threshold adjustment.
- Ball Save!
- Million point scoring.
- Idle mode animation.
- Skill shot option.
- Four high scores memory.
- Restore factory-settings option for quick reset of settings.
- Open-collector output logic with zener diode protection for all solenoid circuits and lamp select lines to prevent CPU damage from a damaged driver board.
- Battery-less operation - all settings and high-score data are stored in FLASH with >100,000 write cycles.
- Designed for low-cost component repair and maintenance on I/O sensitive components (exposed to bad displays / bad driver boards, etc.)
- Stuck switches are ignored and do not impair the rest of the games operation, including the slam switch!

NI-WUMPF Enhanced CPU Board – Gottlieb System 1 (2014 Revision)
Sale price$249.99 USD
Ni-Wumpf