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Williams Sound Board Jumper Settings

NOTICE: For some very important information, please read the Technical Article Notice and Disclaimer, found on our Technical Articles Index page before performing any of the work described below. The information given below assumes you have read the Notice and Disclaimer first.

The following information pertains to Williams sound/speech boards as used in Level 6 and Level 7 pinball games (1979-1984).

Sound ROM Chip: These boards used a chip at location IC12 for generic game sounds. This was usually labeled "Sound ROM 1", or "Sound ROM 2", etc., up to "Sound ROM 5", depending on the game.

This chip was often a masked PROM chip, as installed from the factory. When replacing with a standard EPROM replacement chip, you may need to change jumpers on the board, depending on what type of chip is being replaced.

Below is a list of jumper settings for various types of sound ROM chips that can be used (also listed by game name). If you need replacement ROM chips for your game, be sure to check our ROM Chips Page. We have all sound and speech chips in stock.

Williams Sound Board Jumper Settings

Jumpers Used	ROM Type	Format	Games Used In
W2,5,7,9,10,15	2K x 8 2516/2716	Sound & Speech	Gorgar, Blackout, Firepower, Black Knight, Jungle Lord, Pharaoh
W1,2,5,7,9,10,15	2K x 8 2516/2716	Sound only	Defender, Solar Fire, Barracora, Hyperball, Stargate, Cosmic Gunfight, Varkon, Time Fantasy
W3,4,5,7,10,15	4K x 8 2532 2533	Sound & Speech	Videos: Sinistar
W1,3,4,5,7,10,15	4K x 8 2532	Sound only	Pinballs: Joust Videos: Robotron, Joust, Bubbles, Sinistar (cockpit rear).
W1,2,4,5,7,10,15	2K x 8 2516/2716	Sound only	Warlok
W1,3,6,7,9,11,12,15	512 x 8 7641	Sound only	Big Strike (shuffle)

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