10
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3.2.2 Battery
......................................................................... 28
3.2.3 BKL_CN (Back light brightness control connector) ....... 29
3.2.4 CLR_CMOS .................................................................. 30
3.2.5 COM2 (Serial Port header) ............................................ 31
3.2.6 CPU_FAN (CPU fan connector) ..................................... 32
3.2.7 DC_IN (DC In JACK Connector) ..................................... 33
3.2.8 DC_IN2 (ATX 2x2 pin power connector) ....................... 34
3.2.9 EDP (Embedded Display Port Connector) ..................... 35
3.2.6 F_Audio (Front audio header) ....................................... 36
3.2.11 F_USB 30 (USB 3.0 header) ........................................... 37
3.2.12 F_USB 20_1 (USB 2.0 header) ....................................... 38
3.2.13 F_USB 20_2 (USB 2.0 header) ...................................... 39
3.2.14 GPIO_CNT ................................................................... 40
3.2.15 JCOM11 (Default COM1 is RI pin, can select RI/5V/12V)
.......................................................................................41
3.2.16 JCOM21 (Default COM2 is RI pin, can select RI/5V/12V)
...................................................................................... 42
3.2.17 JCOM12 (COM1 RS-232/RS-422/RS-485 Select) .......... 43
3.2.18 JCOM22 (COM2 RS-232/RS-422/RS-485 Select) ......... 44
3.2.19 JRS21-24 (COM2 JRS21-24 select jumper for serial port)
...................................................................................... 45