Connector Pin Assignments
15-Pin VGA External
Monitor Connector
Pin No. Signal Name Direction
1 Red video Output
2 Green video Output
3 Blue video Output
4 Not used
5 Ground
6 Red return Input
7 Green return Input
8 Blue return Input
9 Not used
10 Ground
11 Not used
12 Not used
13 Horizontal sync Output
14 Vertical sync Output
15 Not used
Note: Monochrome monitors use green video for all video input and ignore
red and blue video.
Six-Pin Mini-Din PS/2 Mouse or
PS/2 Keyboard Connector
Pin No. Signal Name Abbreviation
1 Data DATA
2 Not used
3 Ground GND
4 +5 volts VCC
5 clock CLK
6 Not used
Connector Pin Assignments
G-2 Connector Pin Assignments