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USB3: Front panel USB connectors
The mainboard 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 connectors USB3 to connect the
front-mounted ports to the mainboard.
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
US
USB Port 0 Positive Signal
6
US
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 ind i-
cated above. A different pin assignment may cause damage or system
hang-up.
IR1: Serial infrared port
The mainboard 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
