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X11SSW-TF/-4TF User Manual
Universal Serial Bus (USB) Ports
There are two USB 2.0 ports (USB0/1) and two USB 3.0 ports (USB6/7) located on the I/O
back panel. The motherboard also has two front access USB 2.0 headers (USB2/3 and
USB4/5) and one front access USB 3.0 header (USB9/10). The USB8 header is USB 3.0
Type-A. The onboard headers can be used to provide front side USB access with a cable
(not included).
Back Panel USB (2.0) 0/1
Pin Definitions
Pin#
Definition
Pin#
Definition
1
+5V
5
+5V
2
USB_N
6
USB_N
3
USB_P
7
USB_P
4
Ground
8
Ground
Front Panel USB (2.0) 2/3, 4/5
Pin Definitions
Pin#
Definition
Pin#
Definition
1
+5V
2
+5V
3
USB_N
4
USB_N
5
USB_P
6
USB_P
7
Ground
8
Ground
9
Key
10
NC
Front Panel USB 9/10 (3.0)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
VBUS
19
Power
2
Stda_SSRX-
18
USB3_RN
3
St
17
USB3_RP
4
GND
16
GND
5
Stda_SSTX-
15
USB3_TN
6
St
14
USB3_TP
7
GND
13
GND
8
D-
12
USB_N
9
D+
11
USB_P
10
x
