Biostar H77MU3 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

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H77MU3 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+ F_ US B2 F_US B1 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 20 11 Pin Assignment Pin 1 VBUS0 11 2 SSRX1- 12 3 SSRX1+ 13 4 Ground 14 5 SSTX1- 15 6 SSTX1+ 16 7 Ground 17 8 D1- 18 9 D1+ 19 10 ID 20 NOTE: USB3.0 is only supported by Windows 7. Assignment D2+ D2Ground SSTX2+ SSTX2Ground SSRX2+ SSRX2VBUS1 Key 15

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H77MU3
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.
1
2
9
10
F_
USB1
USB2
F_
Pin
Assignment
1
+5V (fused)
2
+5V (fused)
3
USB-
4
USB-
5
USB+
6
USB+
7
Ground
8
Ground
9
Key
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.