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1.7 I/O Panel (IMB-390-D)
1
12
1
COM Port (COM1)*
2
DisplayPort (DP1)
3
LAN RJ-45 Port**
4
LAN RJ-45 Port**
5
Line In (Light Blue)
6
Line out (Lime)
* This motherboard supports RS232/422/485 on COM1 port. Please refer to below table for
the pin definition. In addition, COM1 port (RS232/422/485) can be adjusted in BIOS setup
utility > Advanced Screen > Super IO Configuration. You may refer to page 42 for details.
PIN
1
DCD, Data Carrier Detect
2
RXD, Receive Data
3
TXD, Transmit Data
4
DTR, Data Terminal Ready
5
6
DSR, Data Set Ready
7
RTS, Request To Send
8
CTS, Clear To Send
9
No Power/5V/12V
** 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
Status
Description
Off
No Link
Blinking Data Activity
On
Link
11
COM1 Port Pin Definition
RS232
GND
SPEED LED
Status
Off
Orange
Green
2
3
9
10
7
Microphone (Pink)
8
USB 3.0 Ports (USB_34)
9
USB 3.0 Ports (USB_12)
10
HDMI Port (HDMI1)
11
DVI Port (DVI1)
12
PS/2 Mouse/Keyboard Port
RS422
TX-
RX+
TX+
RX-
GND
N/A
N/A
N/A
N/A
Description
10Mbps connection
100Mbps connection
1Gbps connection
17
4
5
6
7
8
RS485
RTX-
N/A
RTX+
N/A
GND
N/A
N/A
N/A
N/A
ACT/LINK
SPEED
LED
LED
LAN Port
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