Starship 1 (1977 Atari) pin name pin name --- ---- --- ---- 1 +10v ct grd A +10v ct grd 2 +10v unreg B +10v unreg 3 +10v unreg C +10v unreg 4 +10v ct grd D +10v ct grd 5 E slam sw n.o. 6 video out F roll pot wiper 7 pitch pot wiper H start led 8 start n.o. J test n.o. 9 slow n.o. K photon n.o. 10 L +5v 11 phasors n.o. M video grd 12 grd N grd 13 P 14 grd R grd 15 coin 2 n.c. S grd 16 lockout T grd 17 coin 1 n.c. U grd 18 speaker V speaker grd 19 25v ac W 25v ac 20 25v ac X 25v ac 21 25v ct Y 25v ct 22 grd Z grd