USB3: Front Panel USB connector
The motherboard has four 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 USB3 to connect the
front-mounted ports to the motherboard.
Pin Signal Name Function
1 VREG_FP_USBPWR0 Front Panel USB Power
2 VREG_FP_USBPWR0 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
Note: Please make sure that the USB cable has the same pin assignment as indi-
cated above. A different pin assignment may cause damage or system
hang-up.
IR1: Serial infrared port
The motherboard supports an Infrared (IR1) data port. Infrared ports allow the
wireless exchange of information between your computer and similarly
equipped devices such as printers, laptops, Personal Digital Assistants
(PDAs), and other computers.
Pin Signal Name Function
1 Not assigned Not assigned
2 KEY No pin
3 +5V IR Power
4 GND Ground
5 IRTX IrDA serial output
6 IRRX IrDA serial input
J1: System Management Interrupt (optional)
This connector is for use with SMI hardware interrupt power management.
Pin Signal Name Function
1 -EXTSMI Sleep button
2 GND Ground
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