Supermicro SuperServer SYS-741P-TR User Manual page 88

Universal Serial Bus (USB) Ports and Headers
There are four USB 3.0 ports (USB3/4 and USB5/6) on the rear I/O panel. One 10-pin black
USB 2.0 header (USB0/1) and one USB 3.0 header (USB7/8) are located on the motherboard,
and each supports two USB connections for front access. There is also one vertical Type-A
USB 2.0 connector (USB2) on the motherboard. These USB ports and headers can be used
for USB support via USB cables (not included).
USB 2.0 Header (USB0/1)
Pin Definitions
Pin# Definition Pin#
1 +5V 2
3 USB_N 4
5 USB_P 6
7 GND 8
9 Key 10
Rear I/O Panel USB 3.0 Ports (USB3/4)
Pin Definitions
Pin# Definition Pin#
1 VBUS 10
2 USB_N 11
3 USB_P 12
4 GND 13
5 USB3_RN 14
6 USB3_RP 15
7 GND 16
8 USB3_TN 17
9 USB3_TP 18
Definition
+5V
USB_N
USB_P
GND
NC
Definition
VBUS
USB_N
USB_P
GND
USB3_RN
USB3_RP
GND
USB3_TN
USB3_TP
USB 3.0 Header (USB7/8)
Pin Definitions
Pin# Definition Pin#
1 VBUS 20
USB3_RN
2 19
3 USB3_RP 18
4 GND 17
5 USB3_TN 16
6 USB3_TP 15
7 GND 14
8 USB_N 13
9 USB_P 12
10 GND 11
88
Chapter 4: Motherboard Connections
Internal USB 2.0 Vertical Header (USB2)
Pin Definitions
Pin# Definition
1 +5V
2 USB_N
3 USB_P
4 GND
Rear I/O Panel USB 3.0 Ports (USB5/6)
Pin Definitions
Pin# Definition Pin#
A1 VBUS B1
A2 USB_N B2
A3 USB_P B3
A4 GND B4
A5 USB3_RN B5
A6 USB3_RP B6
A7 GND B7
A8 USB3_TN B8
A9 USB3_TP B9
Definition
NC
VBUS
USB3_RN
USB3_RP
GND
USB3_TN
USB3_TP
GND
USB_N
USB_P
Definition
VBUS
USB_N
USB_P
GND
USB3_RN
USB3_RP
GND
USB3_TN
USB3_TP