9
1.4 I/O Panel
1 DisplayPort (DP0)
2 DisplayPort (DP2)
3 Serial Port (COM3)*
4 LAN RJ-45 Port (LAN1)**
5 LAN RJ-45 Port (LAN2)**
6 Front Speaker (Lime)
7 Microphone (Pink)
8 USB 2.0 Ports (USB2H_2_3)
9 USB 3.2 Gen1 Ports (USB3_1_2)
10 Serial Port (COM4)*
11 DisplayPort (DP3)
12 DisplayPort (DP1)
13 DC Jack (DC_JACK1)***
** There are two LED next to the LAN port. Please refer to the table below for the LAN port LED
indications.
LAN Port LED Indications
Activity/Link LED
SPEED LED
Status Description Status Description
Off No Link Off 10Mbps connection
Blinking Data Activity Yellow 100Mbps connection
On Link
Green 1Gbps connection
ACT/LINK
LED
SPEED
LED
LAN Port
* This motherboard supports RS232/422/485 on COM3 port. Please refer to below table for
the pin definition. In addition, COM3 port (RS232/422/485) can be adjusted in BIOS setup
utility > Advanced Screen > Super IO Configuration. You may refer to page 31 for details.
COM3 Port Pin Definition
PIN
RS232
RS422
RS485
1
DCD, Data Carrier Detect
TX-
RTX-
2
RXD, Receive Data
RX+
N/A
3
TXD, Transmit Data
TX+
RTX+
4
DTR, Data Terminal Ready
RX-
N/A
5
GND
GND
GND
6
DSR, Data Set Ready
N/A
N/A
7
RTS, Request To Send
N/A
N/A
8
CTS, Clear To Send
N/A
N/A
9
N/A
N/A
N/A
