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Universal Serial Bus (USB) Ports
There are two USB 3.0 ports (USB0/1) on the I/O back panel. The motherboard also provides
two USB 3.0 connections via USB headers (USB3/4). The USB2 header is USB 3.0 Type
A. The onboard headers can be used to provide front side USB access with a cable (not
included).
Pin#
Definition
A1
VBUS
A2
D-
A3
D+
A4
Ground
A5
SSRX-
A6
SSRX+
A7
Ground
A8
SSTX-
A9
SSTX+
Pin#
Definition
A1
VBUS
A2
SSRX-
A3
SSRX+
A4
Ground
A5
SSTX-
A6
SSTX+
A7
Ground
A8
D-
A9
D+
A10
Ground
Pin#
Definition
1
VBUS
2
D-
3
D+
4
Ground
IPMI LAN Port
One IPMI LAN port is located on the I/O back panel. This port accepts an RJ45 type cable.
Back Panel USB 3.0 (USB0/1)
Pin Definitions
Pin#
Definition
B1
Power
B2
USB 2.0
B3
Differential Pair
B4
Ground
B5
SuperSpeed Receiver
B6
Differential Pair
B7
Ground
B8
SuperSpeed Transmitter
B9
Differential Pair
Front Panel USB 3.0 (USB3/4)
Pin Definitions
Pin#
Definition
Description
KEY
Key, no pin
B19
VBUS
Power
B18
SSRX-
SuperSpeed Receiver
B17
SSRX+
Differential Pair
B16
Ground
Ground
B15
SSTX-
SuperSpeed Transmitter
B14
SSTX+
Differential Pair
B13
Ground
Ground
B12
D-
USB 2.0
B11
D+
Differential Pair
Internal USB 3.0 Type A (USB2)
Pin Definitions
Pin#
Definition
5
SSRX-
6
SSRX+
7
Ground
8
SSTX-
9
SSTX+
35
Chapter 2: Installation
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