Specifications

A.5.4 Keyboard and Mouse Header (LK1) Pin-outs
The keyboard and mouse interface signals are routed to a 2 row x 4-way 0.1 inch pitch header,
which is located behind the serial port connector. The pin assignments are shown in Table A-4.
Connector location and pin orientation is detailed in Figure A-3.
Pin No. Signal Name Pin No. Signal Name
1 KBD VCC 5 MOUSE GND
2 KBD DATA 6 MOUSE CLOCK
3 KBD CLOCK 7 MOUSE DATA
4 KBD GND 8 MOUSE VCC
Table A-4 Keyboard and Mouse Header (LK1) Pin-outs
CAUTION The header is not polarized so care should be taken to ensure the cable socket is
plugged in correctly. The header pin-out has been chosen to ensure damage will
not occur to the keyboard or mouse if the cable is inadvertently connected in
reverse.
Specifications
VP 110/01x A-7
Pin
1
Pin 1
Pin 4
Pin 4
Figure A-3 Keyboard and Mouse Header LK1 Polarization