Supermicro X11SSL-nF User Manual page 37

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). Lastly, there is a USB 3.0 Type-A
header (USB8). Cables are not included. See the tables below for pin definitions.
Back Panel USB 0/1 (2.0)
Pin Definitions
Pin# Definition Pin#
1 +5V 5
2 USB_N 6
3 USB_P 7
4 Ground 8
Front Panel USB 2/3, 4/5 (2.0)
Pin Definitions
Pin# Definition Pin#
1 +5V 2
3 USB_N 4
5 USB_P 6
7 Ground 8
9 Key 10
Back Panel USB 6/7 (3.0)
Pin Definitions
Pin# Definition Pin#
1
VBUS 19
2
Stda_SSRX- 18
3
Stda_SSRX+ 17
4
GND 16
5
Stda_SSTX- 15
6
Stda_SSTX+ 14
7
GND 13
8
D- 12
9
D+ 11
10 x
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Chapter 2: Installation
Definition
+5V
USB_N
USB_P
Ground
Definition
+5V
USB_N
USB_P
Ground
NC
Definition
Power
USB3_RN
USB3_RP
GND
USB3_TN
USB3_TP
GND
USB_N
USB_P