Chapter 2: Installation

2-17

A. Backpanel USB 2.0 #0
B. Backpanel USB 2.0 #1
C. Backpanel USB 3.0 #6
D. Backpanel USB 3.0 #7
E. Backpanel USB 3.0 #4
F. Backpanel USB 3.0 #5
G. USB 2.0 Header #4/5
H. USB 2.0 Header #6/7
I. USB 3.0 Header #2/3
J. USB 3.0 Header #0/1
Universal Serial Bus (USB)
Two Universal Serial Bus 2.0 ports (0/1) and four USB 3.0 ports (4/5,6/7) are located
on the I/O back panel. In addition, two USB 2.0 headers (four ports: 4/5, 6/7), and
two USB 3.0 headers (four ports: 0/1, 2/3) are also located on the motherboard
to provide front chassis access using USB cables (not included). See the tables
below for pin denitions.
Back Panel USB (2.0) #0/1
Pin Denitions
Pin# Denition Pin# Denition
1+5V 5+5V
2USB_PN1 6USB_PN0
3 USB_PP1 7 USB_PP0
4 Ground 8 Ground
Front Panel USB (2.0) #4/5, 6/7
Pin Denitions
Pin # Denition Pin # Denition
1+5V 2+5V
3USB_PN2 4USB_PN3
5 USB_PP2 6 USB_PP3
7 Ground 8 Ground
9Key 10 Ground
A
Front Panel USB (3.0) #0/1, 2/3
Pin Denitions
Pin# Pin# Signal Name Description
1 10 VBUS Power
211 D- USB 2.0 Differential Pair
3 12 D+
4 13 Ground Ground of PWR Return
5 14 StdA_SSRX- SuperSpeed Receiver
6 15 StdA_SSRX+ Differential Pair
7 16 GND_DRAIN Ground for Signal Return
8 17 StdA_SSTX- SuperSpeed Transmitter
9 18 StdA_SSTX+ Differential Pair
CE
B

F

D

H

I

G

J