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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 BUZZER+
5 HD_LED- 6 HD_LED+
7 POWER LED- 8 Power LED+
9 GND 10 Reset