IBM 5150 Hardware Reference Manual page 141

Game Controller Adapter (Analog Input)
Connector Specifications
REAR PANEL
15 PIN "0"
SHELl~
CONNECTOR
0
1
•
• 9
• •
•
•
· .·SS
•
•
•
~
0e
•
•
•
•
«;)
• •
15
0
AT STANDARD TIL LEVELS
Voltage AMP
Pin No.
...
+ 5 Volts 1
....
Button 4 2
....
...
Position 0 3
. .
...
Ground
4
Ground
5
Position 1 6
....
...
External
Button 5 7
....
Game Control
Devices
...
Adapter
...
+ 5 Volts 8
...
""
+ 5 Volts
9
""
Button 6
10
"" ­
...
Position 2 11 .....
...
Ground 12
Position 3 13
....
...
Button 7
14
...
..
...
+ 5 Volts 15
....
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