BOSCONIAN PINOUTS Similar to Galaga and Mappy. PARTS SIDE | SOLDER SIDE ------------------------------------|-------------------------------------- LOGIC GND | A | 1 | LOGIC GND --------------------------------|---|---|---------------------------------- SPKR | B | 2 | SPKR (Not sure of polarity) --------------------------------|---|---|---------------------------------- --- | C | 3 | COIN METER --------------------------------|---|---|---------------------------------- --- | D | 4 | --- --------------------------------|---|---|---------------------------------- | E | 5 | --------------------------------|---|---|---------------------------------- +5v | F | 6 | +5v --------------------------------|---|---|---------------------------------- LOGIC GND | H | 7 | LOGIC GND --------------------------------|---|---|---------------------------------- CREDIT SW | J | 8 | TEST SWITCH --------------------------------|---|---|---------------------------------- (2nd coin mech also) 1 COIN SW | K | 9 | --------------------------------|---|---|---------------------------------- 1P START | L | 10| 2P START --------------------------------|---|---|---------------------------------- FIRE | M | 11| --------------------------------|---|---|---------------------------------- MOVE LEFT | N | 12| --------------------------------|---|---|---------------------------------- MOVE DOWN | P | 13| --------------------------------|---|---|---------------------------------- MOVE RIGHT | R | 14| --------------------------------|---|---|---------------------------------- MOVE UP | S | 15| --------------------------------|---|---|---------------------------------- --- | T | 16| --- --------------------------------|---|---|---------------------------------- --- | U | 17| --- --------------------------------|---|---|---------------------------------- --- | V | 18| --- --------------------------------|---|---|---------------------------------- --- | W | 19| --- --------------------------------|---|---|---------------------------------- | X | 20| --------------------------------|---|---|---------------------------------- | Y | 21| --------------------------------|---|---|---------------------------------- LOGIC GND | Z | 22| LOGIC GND --------------------------------------------------------------------------- | On the Video board, there is an On the CPU board there is an | additional 6-part connector. This additional 3-part connector. This | is the video connector. It's is power. It's wired as follows: | wired as follows: | 1 - +12v | 1 - RED 4 - SYNC 2 - GND | 2 - GRN 5 - VIDEO GND 3 - +5v | 3 - BLU 6 - (Not used) dean@xocolatl.com, lifted liberally from z_morganrw@ccsvax.sfasu.edu