USB3: Front panel USB ports
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 indi-
cated above. A different pin assignment may cause damage or system
hang-up.
JP2: IEEE 1394A header
Use this header to connect to any IEEE 1394A interface.
Pin
Signal Name
Pin
Signal Name
1 Cable-power 2 GND
3 TPB+
4 TPB+
5 TPA-
6 TPA+
7 Chassis
GND
8 NC
IR1: 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
21
