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Chapter 4: Motherboard Connections
4.3 Input/Output Ports
Figure 4-2. Rear I/O Ports
Rear I/O Ports
The figure below shows the locations of the I/O ports on the rear of the motherboard.
USB Ports
USB 3.0 Pin Definitions
No. Description
No. Description
No. Description
1
+5V
4
Ground
7
Ground
2
D-
5
RX-
8
TX-
3
D+
6
RX+
9
TX+
IPMI LAN Port
For more information on the dedicated IPMI LAN port, refer to the IPMI User's Guide posted
at
Unit Identifier Switch/UID LED Indicator
A Unit Identifier (UID) switch and an LED Indicator are located on the back panel. When
you press the UID switch, both front and rear UID LED indicators will be turned on. Press
the UID switch again to turn off the LEDs. The UID indicators provide easy identification of
a system in a rack.
Note:
UID can also be triggered using IPMI.
LAN Ports
(not pictured)
There are two LAN ports (LAN1/LAN2) on the chassis rear provided by the Ultra add-on card.
Rear I/O Ports
No. Description
No. Description
1.
USB 0 (USB 3.0)
4.
COM1
2.
USB 1 (USB 3.0)
5.
Unit Identifier Switch/LED (UID)
3.
IPMI LAN
6.
VGA
6
5
4
3
1
2
