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Chapter 4: Motherboard Connections
4.3 Input/Output Ports
Figure 4-2. Rear I/O Ports
See the figure below for the locations and descriptions of the I/O ports on the rear of the
motherboard.
LAN Ports
There is a dedicate LAN port for the BMC.
There can also be, two, four, or zero network LAN ports on the chassis rear provided by the
Ultra riser card, depending on the
option
you purchased.
Unit Identifier Switch/UID LED Indicator
A Unit Identifier (UID) switch and a UID LED indicator are located on the rear of the system.
When you press the UID switch, both front and rear UID LED indicators are toggled on or
off. The UID indicators provide easy identification of a system in a rack.
Note:
The UID can also be triggered using the BMC.
1
4
2
5
3
6
Rear I/O Ports
#
Description
#
Description
1
USB0 (3.0)
4
COM1
2
USB1 (3.0)
5
UID Switch
3
BMC Dedicated LAN
6
VGA
