Acer Power F1 Power F1/ Aspire T310 Service Guide - Page 91

USB3/USB4: Front Panel USB Connectors The mainboard has two USB ports installed on the rear edge I/O port array. Additionally, some computer cases have USB ports at the front of the case. If you have this kind of case, use auxiliary USB connector to connect the front mounted ports to the mainboard. Pin 1 2 3 4 5 6 7 8 9 10 Signal Name VREG_FP_USBPWR0 VREG_FP_USBPWR0 USB_FP_P0USB_FP_P1USB_FP_P0+ USB_FP_P1+ GND GND KEY USB_FP_OC0 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 1Positive Signal Ground Ground No Pin Overcurrent Signal NOTE: Please make sure that the USB cable has the same pin assignement as indicated above. A different pin assignment may cause damage or system hang-up. COM2: Onboard Serial Port Connector Connect a serial port extension bracket to this header to add a second serial port to your system. Pin 1 2 3 4 5 6 7 8 9 10 Singal Name NDCDB NSINB NSOUTB NDTRB GND NDSRB NRTSB NCTSB NRIB Key Function Data Carry Detect Serial Data In Serial Data Out Data Terminal Ready Ground Data Set Ready Request to Send Clear to Send Ring Indicator Key 78 Chapter 5