Sprint One, Atari (1978): 44-pin edge connector ---------------------------------------------------- VIDEO GND | 1 | A | GND 16.5v CT | 2 | B | 16.5v CT 16.5v AC | 3 | C | 16.5v AC 16.5v AC | 4 | D | 16.5v AC +10v UNREG | 5 | E | +5v UNREG VIDEO | 6 | F | STEERING 1A STEERING 1B | 7 | H | COIN 2 N.O N/C | 8 | J | COIN 1 N.O N/C | 9 | K | PLAYER START LED SWITCH GND | 10 | L | GAS PEDAL 3rd GEAR | 11 | M | 2nd GEAR 1st GEAR | 12 | N | TEST START | 13 | P | N/C N/C | 14 | R | N/C N/C | 15 | S | COIN COUNTER N/C | 16 | T | N/C N/C | 17 | U | N/C N/C | 18 | V | N/C 25v AC | 19 | W | 25v AC 25v AC | 20 | X | 25v AC AUDIO | 21 | Y | N/C 25v CT | 22 | Z | AUDIO GND 1 on = oil slicks off = no oil slicks 2 on = cycle to next track every lap off = cycle to next track every 2 laps 3,4 on,on 1 coin/player on,off 2 players/coin off,on 2 coins /player off,off free play (no attract mode) 5 on = extened play equalling 3/10 of game time (set by 7,8) if player obtains Pro rating during normal play off = no extended play 6 not used 7,8 on,on game time 150 seconds on,off game time 120 seconds off,on game time 90 seconds off,off game time 60 seconds