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USB3 & USB4: 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 or USB4 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.
AUXIN1: Auxiliary-in connector
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
Function
1
AUX_L
AUX In left channel
2 GND
Ground
3 GND
Ground
4
AUX_R
AUX In right channel
SPDIFO1: SPDIF-Out header
You can purchase an optional 24-bit digital audio extension bracket from a
third-party vendor. You can use the audio RCA jacks to connect to digital audio
devices. If your CD-ROM/DVD drive has digital audio output, you can connect
it to the input pins of the SPDIF connector.
Pin
Signal Name
Function
1
SPDIF
SPDIF digital output
2
+5VA
5V analog power
3 NC
Not
connected
4 GND
Ground