VGA Output Connector Pin Function 1 Red 2 Green 3 Blue 4 Not used 5 ground 6 Red Return (ground) 7 Green Return (ground) 8 Blue Return (ground) 9 Key (no pin) 10 Sync Return (ground) 11 not used 12 not used 13 Horizontal Sync (+) 14 Vertical Sync (-) 15 Not used