AR-B1890 User’s Manual
21
IrDA Connector ( CN10 )
Pin Assignment
1 5V
2 CIRTX
3 IRRX
4 GND
5 IRTX
6 CIRRX
System Fan Connector ( CN11 )
Pin Assignment
1 GND
2 12V
3 FAN
Sense
Front Panel Connector ( CN12 )
Pin Assignment
Pin Assignment
1 GND
2 Power
Switch
3 BUZZER-
4
5 HD_LED-
6
7
POWER LED-
8
Power LED+
9 GND
10 Reset