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Chapter 2
2-24
USB Front Panel Connectors: USB1 & USB2
The mainboard provides two Front USB (Universal Serial Bus) pin head-
ers that allow you to connect optional USB ports for front panel. Different from
USB1, USB2 is compliant to Intel Front Panel I/O Connectivity Design Guide.
Pin Description Pin Description
1 VCC 2 GND
3 USB2- 4 GND
5 USB2+ 6 USB3+
7 GND 8 USB3-
9 GND 10 VCC
USB1 Pin Definition
USB1
10
9
2
1
USB2
10
9
2
1
*USB_FP_OC0 is Front Panel USB Overcurrent
signal (Ports 2 & 3)
Pin Description Pin Description
1 VCC 2 VCC
3 USB3- 4 USB2-
5 USB3+ 6 USB2+
7 GND 8 GND
9 NC 10 *USB_FP_OC0
USB2 Pin Definition
Note:
You can use only ONE USB header to connect USB ports. Make sure
you choose the appropriate one for your USB ports.