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4.3 Input/Output 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.
1
2
VGA Connection
The VGA port is located at JVGA1 on the back I/O panel. The VGA port provides analog
interface support between the computer and the video display.
COM Port
The COM (communication) port (COM1), connected over JUSB2, supports serial link interface.
LAN Ports (LAN1/LAN2 & BMC LAN)
Two Ethernet LAN ports (LAN1/LAN2) and a dedicated BMC LAN port are located on the
rear I/O panel. LAN1/LAN2 ports support 25G SFP+ LAN connection. The dedicated BMC
LAN, provides LAN support for the BMC (Baseboard Management Controller).
3
Rear I/O Ports
#
Description
1
COM1
2
USB0/1 (3.0)
3
VGA Port
4
BMC_LAN
70
Chapter 4: Motherboard Connections
4
5
#
Description
5
LAN1
6
LAN2
7
UID/BMC Reset Switch
6
7
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Troubleshooting
