Williams Stargate Boardset

The Stargate boardset builds on the Defender boardset but has a different memory map so is not compatible with Defender boards. The ROM board is unique to Stargate but the other boards can all be used with later generation games.

5770-09656-00
R8948 CPU Board
R8948 CPU Board Front

This CPU board can be used in Stargate, Robotron, Joust, Sinistar and Splat! It cannot be used in Defender or Bubbles. The BS.BA inversion modification is required for use on games other than Stargate.

Schematics
5771-09657-00
D8730 ROM Board
D8730 ROM Board Front

This ROM board is unique to Stargate as it lacks the special chips 1/2 seen in later games.

Schematics
SLICE Project
5772-09680-00
C8783 Interface Board
C8783 Interface Board Front

This Interface board can be used in Stargate, Robotron, Joust, Bubbles and Splat!.

Schematics
SLICE Project
1C-2001-146
D8224-3002 Sound Board
D8224 Sound Board Front

This Sound board can be used in a wide variety of Williams Video games from 1980-1983 and System 6, 6A and 7 Pinball machines.

Schematics
SLICE Project
5773-09474-01
D8359 Power Supply Board
D8359 PSU Board Front

This Power Supply board can be used in both Defender and early Stargate games.

Schematics
5773-09664-00
Over Voltage Protection Board
OVP PSU Board Front

Board plugs inline between the D8359 Power Supply Board and the Power wiring loom to add Over Voltage Protection which is built in to the later D8784 PSU Board.

Schematics

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