10
1.4 I/O Panel
** 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 Orange 100Mbps connection
On Link
Green 1Gbps connection
1
COM Port 3 (COM3)*
2
LAN RJ-45 Port**
3
LAN RJ-45 Port**
4
Line out (Green)
5
Microphone (Pink)
6
USB 3.0 Ports (USB3_2_3)
7
USB 3.0 Ports (USB3_0_1)
8
COM Port 4 (COM4)
9
HDMI Port (HDMI2)
10 HDMI Port (HDMI1)
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 29 for details.
COM3 Port Pin Definition
PIN
RS232
RS422
RS485
1
DCD
TX-
RTX-
2
RXD
RX+
N/A
3
TXD
TX+
RTX+
4
DTR
RX-
N/A
5
GND
GND
GND
6
DSR
N/A
N/A
7
RTS
N/A
N/A
8
CTS
N/A
N/A
9
COM1: +5V/+12V/+5VSB
COM2, 3: +5V/+12V
COM1: +5V/+12V/+5VSB
COM2, 3: +5V/+12V
COM1: +5V/+12V/+5VSB
COM2, 3: +5V/+12V
6
1
2
4
3
5
8
7
10
9
