E P I C B o a r d E P I C - Q M 7 7Chapter 2 Quick Installation Guide 2-377 GND GND8 USB3_TX0_CON_N I/O9 USB3_TX0_CON_P I/O10 +V5A_USB_0 PWR +5V11 USBD1- I/O12 USBD1+ I/O13 GND GND14 USB3_RX1_CON_N I/O15 USB3_RX1_CON_P I/O16 GND GND17 USB3_TX1_CON_N I/O18 USB3_TX1_CON_P I/O2.41 USB2.0 Connector (USB3)Pin Pin Name Signal Type Signal Level1 +V5A_USB_2 PWR +5V2 USBD9- I/O3 USBD9+ I/O4 GND GND5 GND GND