90 Aspire AX1470 Service Guide
USBF1~3: Front Panel USB headers
The motherboard 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 motherboard.
Pin Signal Name Function
1 USBPWR Front Panel USB Power
2 USBPWR Front Panel USB Power
3 USB_FP_P0- USB Port 0 Negative Signal
4 USB_FP_P1- USB Port 1 Negative Signal
5 USB_FP_P0+ USB Port 0 Positive Signal
6 USB_FP_P1+ USB Port 1 Positive Signal
7 GND Ground
8 GND Ground
9 Key No pin
10 USB_FP_OC0 Overcurrent signal