Reading the software ID in audit 00
Audit 00 shows the software identity in the player 1 display: the first digit is the flipper ROM set (0 yellow System 4, 1 green System 6, 2 blue System 7), the next three are the game number (497 is Firepower) and the last is the game software revision. Use it to check the right game and flipper ROMs are fitted. In the credit display 01 is lamp test, 02 solenoid test, 03 switch test and 04 audits.
Systems
Games
Related tips
- Reading audit 00: game number, flipper ROM version and software revision
- Firepower CPU ROM configuration and jumpers
- What changed on the System 6A CPU board
- Installing a single-EPROM adapter in the CPU socket
- Leon's older memory test read with a tester LED
- Zero audits, restore factory settings or auto-cycle with the DIP switches
- Audit mode with good battery voltage
- Game always powers up in audit mode: bad 5101 memory chip
Source: Repairing Williams System 3 to System 7 Pinball 1977 to 1984, Part One, Clay Harrell (pinrepair.com)