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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
USBVCC3
+5V dual
2
USBVCC3
+5V dual
3
USBP4-
Data signal port 4 -
4
USBP5-
Data signal port 5 -
5
USBP4+
Data signal port 4 +
6
USBP5+
Data signal port 5 +
7
GND
Ground
8
GND
Ground
9
Key
Cut away
10
NC
No connection
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: Infrared port
The infrared port allows 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
AUXIN1: Extra line-in connector
This connector is an additional line-in audio connector. It allows you to at-
tached a line-in cable when your rear line-in jack is set as line out port for 4-
channel function.
Pin
Signal Name
Function
1
AUX_L
AUX In left channel
2
GND
Ground
3
GND
Ground
4
AUX_R
AUX In right channel
