USB2: Extended USB header
The mainboard has USB ports installed on the rear edge I/O port array. Some
computer cases have a special module that mounts USB ports at the front of
the case. If you have this kind of case, use auxiliary USB connectors 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 indi-
cated above. A different pin assignment may cause damage or system
hang-up.
JP2: USB Card Reader connector
This connector is for connecting internal USB card reader. You can use a card
reader to read or transfer files and digital images to your computer.
Pin
Signal Name
Function
1 USBVCC
+5V
2
USB1-
Data signal port 1-
3
USB1+
Data signal port 1+
4 GND
Ground
5 Key
No
pin
Note:
The JP2 is shared with one of the USB ports of the I/O back panel. The
USB port is located beside the serial port connectors. See “Connecting I/O
Devices” for more information.
Please check the pin assignment of the cable and the USB header on
the mainboard. Make sure the pin assignment will match before plug-
ging in. Any incorrect usage may cause unexpected damage to the
system.
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