Manual for MI42N Motherboard
———————————————————————————————————————————————————
KETTOP TECHNOLOGY LIMITED
4
/
12
WWW.KETTOP.COM
2. Back View
3. Connectors and Headers
Pin#
Description
Signal Name
1
12V DC in connector
PWR1
2
HDMI connector
HDMI1,HDMI2
3
Lan connector
LAN1,LAN2
4
4 * USB 3.0 ports
UR_USB1,UR_USB2,UR_USB3
5
MIC: Connect to outside Microphone
F_MIC
6
(Line out): Connect to outside audio device
F_OUT
7
2 * USB 2.0 ports
BACK_USB1,BACK_USB2
8
Serial port expansion header (COM1)
COMA1
9
Serial port expansion header (COM2) (RS485 optional)
COMA2
10
Serial port expansion header (COM3)
COMA3
11
Serial port expansion header (COM4)
COMA4
