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

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B75MU3+
15
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+
6
USB+
7
Ground
8
Ground
9
Key
1
2
9
10
F_USB1
F_USB2
10
NC
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
20
11
10
Pin
Assignment
Pin
Assignment
1
VBUS0
11
D2+
2
SSRX1-
12
D2-
3
SSRX1+
13
Ground
4
Ground
14
SSTX2+
5
SSTX1-
15
SSTX2-
6
SSTX1+
16
Ground
7
Ground
17
SSRX2+
8
D1-
18
SSRX2-
9
D1+
19
VBUS1
10
ID
20
Key
NOTE:
USB3.0 is only supported by Windows 7.