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SuperServer 5019A-12TN4 User's Manual
Universal Serial Bus (USB) Ports
There are two USB 3.0 ports (USB0/1) on the I/O back panel. The motherboard also has two
front access USB 2.0 headers (USB2/3 and USB4/5). The onboard headers can be used to
provide front side USB access with a cable (not included).
Back Panel USB (3.0)
Pin Denitions
Pin# Denition Pin# Denition
1 VBUS 10 Power
2 D- 11 USB 2.0 Dierential Pair
3 D+ 12
4 Ground 13 Ground of PWR Return
5 StdA_SSRX- 14 SuperSpeed Receiver
6 StdA_SSRX+ 15 Dierential Pair
7 GND_DRAIN 16 Ground for Signal Return
8 StdA_SSTX- 17 SuperSpeed Transmitter
9 StdA_SSTX+ 18 Dierential Pair
Front Panel USB 2.0
Header Pin Denitions
Pin# Denition Pin# Denition
1 +5V 2 +5V
3 USB_PN2 4 USB_PN3
5 USB_PP2 6 USB_PP3
7 Ground 8 Ground
9 Key 10 Ground