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Appendix A
Connector Pin Assignments A-1
Connector Pin Assignments
This appendix contains the pin assignments for all external connectors.
Table A-1
External Keyboard
Connector Pin Signal
KEY
65
43
2
1
1
2
3
4
5
6
Data
Unused
Ground
+5 VDC
Clock
Unused
Table A-2
PS/2-Compatible Mouse
Connector Pin Signal
KEY
65
43
2
1
1
2
3
4
5
6
Data
Unused
Ground
+5 VDC
Clock
Unused
Table A-3
MIDI/Game
915
81
Pin Signal Pin Signal
1 +5 V 9 +5 V
2 Joystick Button 10 Joystick Button
3 Joystick Direction 11 Joystick Direction
4 Ground 12 MIDI Out
5 Ground 13 Joystick Direction
6 Joystick Direction 14 Joystick Button
7 Joystick Button 15 MIDI In
8 +5 V