Sound board jumpers for sound-and-speech games (2K ROM)

Gorgar, Blackout, Firepower, Black Knight, Jungle Lord and Pharaoh use a 2K (2516/2716) sound ROM with speech: jumpers W2, W5, W7, W9, W10 and W15 fitted. To run the board without speech in any of these, add W1.

Systems

• Williams System 6 / 6A
• Williams System 7

Games

• Black Knight
• Firepower
• Gorgar
• Jungle Lord
• Pharaoh

Related tips

• Setting up a sound board for speech
• Joust sound board jumpers (4K 2532 sound ROM)
• Hyperball sound board jumpers (4K 2532 sound ROM)
• Sound effects work but speech is missing or very quiet: replace the speech board op amps
• No sound effects in play though speech works: check the sound board PIA
• Sound test fine but game plays the wrong sounds: cracked joint on sound select header
• Sound works for a few minutes then quits, speech still works: cracked IC solder joint
• A word missing from a speech phrase

Source: Repairing Williams System 3 to System 7 Pinball 1977 to 1984, Part Two, Clay Harrell (pinrepair.com)