Manual for MI42N Motherboard
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KETTOP TECHNOLOGY LIMITED
6
/
12
WWW.KETTOP.COM
12V power supply input. Suitable for power adapter (Internal: the positive pole, external: the negative
pole) which has the outside diameter of 5.5mm and inside diameter of 2.5mm.
2. HDMI Connector
Standard HDMI port
3. 1000M LAN Port
Intel I211
gigabit network
, support diskless booting and Wake on LAN.
（
Dual gigabit network
）
4. USB 3.0 Port
USB3.0 port (5.0Gbps, 640MB/s
）
5. Microphone Input
Universal microphone input port
6. Audi Output Port
Universal audio output port
7. 2 * USB 2.0 Ports
Universal USB2.0 port.
8. Serial port headers (COM1)
Pin#
Signal
Define
Note
1
DCD
Data Carrier Detect
2
RXD
Received Data
3
TXD
Transmitted Data
4
DTR
Data Terminal Ready
5
GND
Signal Ground
6
DSR
Data Send Ready
7
RTS
Request to Send
8
CTS
Clear to Send
9
RI
Ring Indicator
