Which games use one or two game ROMs

Eight Ball Champ, Beat the Clock, Lady Luck (and Cybernaut and Hot Shotz) use a single game ROM. Two ROMs, at U2 and U3, are used by Motordome, Black Belt, Special Force, Strange Science, Hardbody, Party Animal, Dungeons & Dragons and Heavy Metal Meltdown, and by the four late games (Atlantis, Truck Stop, Blackwater 100, Escape from the Lost World).

Systems

• Bally 6803

Related tips

• Final bench test with the real game ROMs
• CPU board landmarks: battery, LED, relay and ROMs
• A 24 VAC center-tapped transformer for running game ROMs on the bench
• Electronic spares for 6803 board repair
• Cybernaut can have a -35, 6802 or 6803 boardset
• What is on the 6803 CPU board
• CPU board test points
• CPU jumpers JW1-JW6 for game EPROM size

Source: Repairing Bally 6803 Pinball Games from 1985 to 1989, Clay Harrell (pinrepair.com)