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USB3/USB4: Front Panel USB header
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 to connect
the front-mounted ports to the motherboard.
Pin
Signal Name
1
USBPWR0
Front Panel USB Power
2
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
NC
Not connect
Please make sure that the USB cable has the same pin assign-
ment as indicatged above. A different pin assignment may
cause damage or system hang-up.
Function
Installing the Motherboard
IR1: 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
No pin
KEY
3
IR Power
+5V
4
Ground
GND
5
IrDA serial output
IRTX
6
IrDA serial output
IRRX
AUXIN1: Auxiliary In header
This connector is an additional line-in audio connector. It allows you to
attach a line-in cable when your rear line-in jack is set as line out port for 4-
channel function.
Pin
Signal Name
1
AXU In left channel
AUX_L
2
Ground
GND
3
Ground
GND
4
AXU In right channel
AUX_R
CD-in: CD Audio Input header
Pin
Signal Name
1
CD In left channel
CD in_L
2
Ground
GND
3
Ground
GND
4
CD In right channel
CD in_R
Function
Function
15
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