Biostar B550MH, User Manual

Page: 16 / 92

16 | Chapter 2: Hardware installation
JFRONT_USB3_1/ JFRONT_USB3_2: Header for USB 3.2 (Gen1) Ports at Front Panel
This header allows user to add additional USB ports on the PC front panel, and also can be
connected with a wide range of external peripherals.
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
F_USB1/ F_USB2: Header for USB 2.0 Ports at Front Panel
This header allows user to add additional USB ports on the PC front panel, and also can be
connected with a wide range of external peripherals.
Pin Assignment
1
+5V (fused)
2 +5V (fused)
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9 Key
10 NC
F_AUDIO1: Front Panel Audio Header
This header allows user to connect the chassis-mount front panel audio I/O which supports HD
and AC’97 audio standards.
HD Audio AC’97
Pin Assignment Pin Assignment
1 Mic Left in 1 Mic In
2 Ground 2 Ground
3 Mic Right in 3 Mic Power
4 GPIO 4 Audio Power
5 Right line in 5 RT Line Out
6 Jack Sense 6 RT Line Out
7 Front Sense 7 Reserved
8 Key 8 Key
9 Left line in 9 LFT Line Out
10 Jack Sense 10 LFT Line Out
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