Biostar B75MU3 Setup Manual - Page 17
F_USB1/F_USB2: Headers for USB 2.0 Ports at Front Panel, JFRONT_USB3_1: Header for USB 3.0 Ports - + usb 3 0
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B75MU3+ F_USB1/F_USB2: Headers for USB 2.0 Ports at Front Panel These headers allow user to connect additional USB cable on the PC front panel, and also can be connected with internal USB devices, like USB card reader. Pin Assignment 1 +5V (fused) 2 +5V (fused) 3 USB- 4 USB- 5 USB+ F_USB 1 6 USB+ F _USB 2 7 8 Ground Ground 2 10 9 Key 10 NC 1 9 JFRONT_USB3_1: Header for USB 3.0 Ports at Front Panel This header allows user to connect additional USB cable on the PC front panel, and also can be connected with internal USB devices, like USB card reader. 1 10 Pin Assignment 1 VBUS0 2 SSRX1- 3 SSRX1+ 4 Ground 5 SSTX1- 6 SSTX1+ 7 Ground 8 D1- 9 D1+ 10 ID 20 Pin 11 12 13 14 15 16 17 18 19 20 11 Assignment D2+ D2Ground SSTX2+ SSTX2Ground SSRX2+ SSRX2VBUS1 Key NOTE: USB3.0 is only supported by Windows 7. 15