PolyGame Master

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Also known as PGM, is a system created by IGS. One thing to note is that JAMMA pins c and 25 are used for the fourth button of player 2 and 1 respectively, just as in Neo Geo MVS

4 player harness pinout

The JAMMA+ harness found in PGM boards is a 34 pin IDE connector. The following pinout shows the connector from the system side.

System Side

Top row Pin Pin Bottom row
GND 1 2 Speaker +
GND 3 4 Speaker +
Blue 5 6 Green
Red 7 8 GND
GND 9 10 Sync
Coin counter 1 11 12 Coin counter 2
Test 13 14 Service
Player 3 Button D 15 16 Player 4 Button D
Player 3 Button C 17 18 Player 4 Button C
Player 3 Button B 19 20 Player 4 Button B
Player 3 Button A 21 22 Player 4 Button A
Player 3 Right 23 24 Player 4 Right
Player 3 Left 25 26 Player 4 Left
Player 3 Down 27 28 Player 4 Down
Player 3 Up 29 30 Player 4 Up
Player 3 Start 31 32 Player 4 Start
Player 3 Coin 33 34 Player 4 Coin

This port can be used with a JAMMA 4 player extension cable for two cabinets, or with controllers wired to the harness.

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