Lazer Ball, Firepower, Blackout, Scorpion), you can use a custom Green flipper ROM2 at IC17. This custom Green flipper ROM divides the score by 10. This essentially makes the game have 7 digit score, but using the stock 6 digit score displays!
Gorgar (System6) introduced speech to the pinball world. A redesigned sound board featured a connector for the optional add-on speech board module. This sound board was used on all games from Gorgar to the end of System7. But games with speech (Gorgar, Firepower, Blackout, Alien Poker, ...
Remember, there are GI (General Illumination) lamps, and CPU controlled (lamp matrix) lamps. The GI lamps come on as soon as the game power is turned on. And these lamps generally do not turn off (except on Blackout, Scorpion and System7 games, where there is a GI lamp relay to tog...