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Universal Serial Bus (USB) Ports
There are two USB 3.0 ports (USB0/1) located on the I/O back panel. The motherboard also
has a front access USB 3.0 header that supports two USB connections (USB3/4). A USB
Type A header (USB2), located next to GPU PWR2, provides also USB 3.0 support. The
onboard headers can be used to provide front side USB access with a cable (not included).
Back Panel USB (3.0)
Pin Definitions
Pin#
Definition
Pin#
1
VBUS
10
2
D-
11
3
D+
12
4
Ground
13
5
StdA_SSRX-
14
6
StdA_SSRX+
15
7
GND_DRAIN
16
8
StdA_SSTX-
17
9
StdA_SSTX+
18
3
CPU2
JF1
Definition
Power
USB 2.0 Differential Pair
Ground of PWR Return
SuperSpeed Receiver
Differential Pair
Ground for Signal Return
SuperSpeed Transmitter
Differential Pair
2
1
4
BIOS
DESIGNED IN USA
X11DPU
LICENSE
REV:1.10
IPMI CODE
BAR CODE
CPU1
43
Chapter 2: Installation
Front Panel USB 3.0
Header Pin Definitions
Pin#
Definition
Pin#
Definition
1
+5V
2
+5V
3
USB_PN2
4
USB_PN3
5
USB_PP2
6
USB_PP3
7
Ground
8
Ground
9
Key
10
Ground
1. USB0 (3.0)
2. USB1 (3.0)
3. USB3/4 (USB 3.0)
4. Type A USB2 (USB 3.0)
2
1
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