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Tempest - Coin-Op Videogame Pinout

Return to the game record for Tempest

This game has been tagged as belonging to conversion class: unique

There is a specific pin-out record on file for Tempest:

            "Tempest" (Atari, 1980)

P20: 44-pin edge connector

        component side        solder side
        --------------        -----------
          +5VDC RETURN  A  1  +5VDC RETURN
                 +5VDC  B  2  +5VDC
                        C  3  +22VDC
                        D  4  -22VDC
                COIN R  E  5  SLAM
                COIN C  F  6  COIN L
             DIAG STEP  H  7  SELF TEST
                 X INV  J  8  OUT 5 (not used)
                 Y INV  K  9  BLUE
                 GREEN  L 10  RED
            COIN CTR R  N 12  COIN CTR L
            COIN CTR C  P 13  PWR GND
               PWR GND  R 14  +10.3 VDC UNREG
              Y INVERT  S 15  X INVERT
                 X OUT  T 16  X GND
                 Y GND  U 17  Y OUT
                ~RESET  V 18  E (2.4 kHz clock)
                -22VDC  W 19
                +22VDC  X 20
                 +5VDC  Y 21  +SENSE (+5V)
          +5VDC RETURN  Z 22  -SENSE (GND)

C, D, 19 & 20 appear to be unused

P18: 30-pin edge connector

        component side        solder side
        --------------        -----------
          +5VDC RETURN  A  1  +5VDC RETURN
                 +5VDC  B  2  +5VDC
                 ~COCK  C  3  +22VDC
                AUDIO-  D  4  -22VDC
         AUDIO- RETURN  E  5  AUDIO+
                ~RESET  F  6  AUDIO+ RETURN
                  CLK1  H  7  CLK2
                  DIR1  J  8  DIR2
                 FIRE2  K  9  FIRE1
                  ZAP2  L 10  ZAP1
              P2 START  M 11  P1 START
                -22VDC  N 12  P1 LED
                +22VDC  P 13  P2 LED
                 +5VDC  R 14  +5VDC
          +5VDC RETURN  S 15  +5VDC RETURN


"RETURN" pins are ground, but specifically for the voltages

Ground ~COCK if you're installing in a cocktail table, and
connect X INV to X INVERT and Y INV to Y INVERT. Hook up a 2nd
set of controls to CLK2, DIR2, FIRE2 and ZAP2 and the game will
"flip" for 2 player games.


NOTE: Conversion class and pin-out data is contributed by the community and although is believed to be correct (most of the time), has not been tested or verified.

Use this information at your own risk.