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Chapter 4: Motherboard Connections
4.3 Input/Output Ports
Figure 4-2. Rear I/O Ports
Rear I/O Ports
See the figure below for the locations and descriptions of the I/O ports on the rear of the
motherboard.
Rear I/O Ports
Item
Description
1.
COM Port 1
2.
Dedicated IPMI LAN
3.
USB 0
4.
USB 1
5.
USB 4 (3.2 Gen 1)
6.
USB 5 (3.2 Gen 1)
7.
LAN1
8.
LAN2
9.
VGA
10.
UID switch
1
4
6
VGA Port
A video (VGA) port is located next to LAN2 on the I/O back panel. Refer to the board layout
below for the location.
COM Ports
There are two COM connection on this motherboard. COM1 is located on the I/O back panel.
COM2 is located next to MH1.
COM Port
Pin Definitions
Pin#
Definition
Pin#
Definition
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
Ground
10
N/A
2
7
10
3
5
8
9