9 to 15 pin VGA cable connector pinout

	9-Pin VGA connector	15-Pin VGA connector
Red Video	1	1
Green Video	2	2
Blue Video	3	3
Horizontal Sync	4	13
Vertical Sync	5	14
Red GND	6	6
Green GND	7	7
Blue GND	8	8
Sync GND	9	10 + 11

Sometimes it may be the VGA card that has the 9-pin connector, other times it may be the monitor that has one; it's not ideal to specify either end as the computer or monitor end.