Chapter 2
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.
2 | 10 | 2 | 10 |
1 | 9 | 1 | 9 |
| USB2 |
| USB1 |
USB2 Pin Definition
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 |
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*USB_FP_OC0 is Front Panel USB Overcurrent signal (Ports 2 & 3)
USB1 Pin Definition
Pin | Description | Pin | Description |
1 | VCC | 2 | GND |
3 | USB2- | 4 | GND |
5 | USB2+ | 6 | USB3+ |
7 | GND | 8 | USB3- |
9 | GND | 10 | VCC |
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Note:
You can use only ONE USB header to connect USB ports. Make sure you choose the appropriate one for your USB ports.
