NEO GEO (2,4, AND 6 SLOT) FM: Kevin_Eshbach@bigfoot.com Pinouts --------------------------------------------------------------- SOLDER SIDE | PARTS SIDE _______________________________|_______________________________ Ground | A | 1 | Ground ---------------------------|---|---|--------------------------- Ground | B | 2 | Ground ---------------------------|---|---|--------------------------- +5V | C | 3 | +5V ---------------------------|---|---|--------------------------- +5V | D | 4 | +5V ---------------------------|---|---|--------------------------- -5V (Not Used) | E | 5 | -5V (Not Used) ---------------------------|---|---|--------------------------- +12V | F | 6 | +12V ---------------------------|---|---|--------------------------- KEY | H | 7 | KEY ---------------------------|---|---|--------------------------- Coin Meter 2 | J | 8 | Coin Meter 1 ---------------------------|---|---|--------------------------- Lockout 2 | K | 9 | Lockout 1 ---------------------------|---|---|--------------------------- Speaker(+) Left * | L | 10| Speaker(+) Right * ---------------------------|---|---|--------------------------- Test Switch | M | 11| Audio Line Out ** ---------------------------|---|---|--------------------------- Video Green | N | 12| Video Red ---------------------------|---|---|--------------------------- Video Sync | P | 13| Video Blue ---------------------------|---|---|--------------------------- Service Switch | R | 14| Video Ground ---------------------------|---|---|--------------------------- Coin 4 | S | 15| Coin 3 ---------------------------|---|---|--------------------------- Coin 2 | T | 16| Coin 1 ---------------------------|---|---|--------------------------- 2 Player Start | U | 17| 1 Player Start ---------------------------|---|---|--------------------------- Player 2 Up | V | 18| Player 1 Up ---------------------------|---|---|--------------------------- Player 2 Down | W | 19| Player 1 Down ---------------------------|---|---|--------------------------- Player 2 Left | X | 20| Player 1 Left ---------------------------|---|---|--------------------------- Player 2 Right | Y | 21| Player 1 Right ---------------------------|---|---|--------------------------- Player 2 Button A | Z | 22| Player 1 Button A ---------------------------|---|---|--------------------------- Player 2 Button B | a | 23| Player 1 Button B ---------------------------|---|---|--------------------------- Player 2 Button C | b | 24| Player 1 Button C ---------------------------|---|---|--------------------------- Player 2 Button D | c | 25| Player 1 Button D ---------------------------|---|---|--------------------------- Select Down | d | 26| Select Up ---------------------------|---|---|--------------------------- Ground | e | 27| Ground ---------------------------|---|---|--------------------------- Ground | f | 28| Ground --------------------------------------------------------------- * Connect Speaker (-) to one of the ground pins to complete the circuit. ** Is this used for anything?