14 | About Your MonitorPin AssignmentsVGA connectorPin number 15-pin side of the connected signal cable1 Video-Red2 Video-Green3 Video-Blue4 GND5 Self-test6 GND-R7 GND-G8 GND-B9 Computer 5 V / 3.3 V10 DDC-GND11 GND12 DDC data13 H-sync14 V-sync15 DDC clock