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I815E User’s Manual 23
J19: IrDA Connector
J19 is used for an optional IrDA connector for wireless communication.
Pin # Signal Name
1 +5V
2 No connect
3 Ir RX
4 Ground
+5V IRRX IRTX
N.C. GND
5 Ir TX
J21: External Keyboard Connector
Signal Name Pin # Pin # Signal Name
Vcc
1 4
KBCLK_OUT
KBDAT_OUT
2 5
KBCLK_IN
KBDAT_IN
3 6
GND
J22: Game Port Connector
J22 is a 16-pin game port pin header for devices such as joysticks.
Signal Name Pin # Pin # Signal Name
VCC 1 9 Vcc
JOY3 2 10 JOY7
JOY1 3 11 JOY5
Ground 4 12 Midi-Out
Ground 5 13 JOY6
JOY2 6 14 JOY8
JOY4 7 15 Midi-In
Vcc 8 16 No connect
J23: External PS/2 Mouse Connector
Signal Name Pin # Pin # Signal Name
Vcc
1 4
MSCLK_OUT
MSDAT_OUT
2 5
MSCLK_IN
MSDAT_IN
3 6
GND