Acer Veriton X4620G Acer Veriton X4620G Desktop Service Guide - Page 119

F_USB1~3: Front Panel USB 2.0 header The motherboard has three USB2.0 headers supporting six USB 2.0 ports. Addition-ally, some computer cases have USB 2.0 ports at the front of the case. If you havethis kind of case, use auxiliary USB connector to connect the front-mounted ports tothe motherboard. Pin Signal Name 1 USBPWR 2 USBPWR 3 DATA0- 4 DATA1- 5 DATA0+ 6 DATA1+ 7 GND 8 GND 9 NC 10 USB DET Function Front Panel USB Power Front Panel USB Power USB Port 0 Negative Signal USB Port 1 Negative Signal USB Port 0 Positive Signal USB Port 1 Positive Signa Ground Ground Not connected USB DET NOTE: Please make sure that the USB cable has the same pin assignment asindicated above. A different pin assignment may cause damage or systemhang-up. USB3F: Front Panel USB 3.0 header This Motherboard implements one USB 3.0 header supporting 2 extra front USB 3.0ports, which delivers 5Gb/s transfer rate. Pin Signal Name 1 USB POWER 2 SSRX0+ 3 SSRX0- 4 GND 5 SSTX0- 6 SSTX0+ 7 GND 8 D0- 9 D0+ 10 NC Pin Signal Name 11 D1+ 12 D1- 13 GND 14 SSTX1+ 15 SSTX1- 16 GND 17 SSRX1+ 18 SSRX1- 19 USB POWER 20 KEY 111 Chapter 5