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USB3: 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
USBPWR
2
USBPWR
3
USB_FP_P0-
4
USB_FP_P1-
5
USB_FP_P0+
6
USB_FP_P1+
7
GND
8
GND
9
Key
10
USB_FP_OC0
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
AUX_L
2
GND
3
GND
4
AUX_R
CDIN1: Analog Audio Input header
Pin
Signal Name
1
CD in_L
2
GND
3
GND
4
CD in_R
Function
Front Panel USB Power
Front Panel USB Power
USB Port 0 Negative Signal
USB Port 1 Negative Signal
USB Port 0 Positive Signal
USB Port 1 Positive Signal
Ground
Ground
No pin
Overcurrent Signal
Please make sure that the USB cable has the same pin assignment as
indicated above. A different pin assignment may cause damage or system
hang-up.
Function
AXU In left channel
Ground
Ground
AXU In right channel
Function
CD In left channel
Ground
Ground
CD In right channel
Installing the Motherboard
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