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Williams Sound Board Jumper Settings
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Many of the Technical Articles on our site contain information and directions involving electronics and circuit board repair. They are authored with the assumption that the reader has adequate experience and knowledge required to do the work being described.

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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
W2,5,7,9,10,152K x 8
2516/2716
Sound &
Speech
Gorgar, Blackout, Firepower, Black Knight, Jungle Lord, Pharaoh
W1,2,5,7,9,10,152K x 8
2516/2716
Sound
only
Defender, Solar Fire, Barracora, Hyperball, Stargate, Cosmic Gunfight, Varkon, Time Fantasy
W3,4,5,7,10,154K x 8
2532
2533
Sound &
Speech
Videos: Sinistar
W1,3,4,5,7,10,154K x 8
2532
Sound
only
Pinballs: Joust
Videos: Robotron, Joust, Bubbles, Sinistar (cockpit rear).
W1,2,4,5,7,10,152K x 8
2516/2716
Sound
only
Warlok
W1,3,6,7,9,11,12,15512 x 8
7641
Sound
only
Big Strike (shuffle)


Typical Sound Board Jumper Locations/Settings
(Click to Enlarge)

See your game manual for additional jumper locations/settings, if needed.


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