AUXIN1: Extra line-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
USB2: Front Panel USB connector
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 connector USB2 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
indicated above. A different pin assignment may cause damage or system
hang-up.
IR1: Serial 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
22
