Biostar B550MX/E PRO - Page 18

18 | Chapter 2: Hardware installaon
SATA_1/ SATA_2/ SATA_3/ SATA_4: Serial ATA 6.0 Gb/s Connectors
These connectors connect to SATA hard disk drives via SATA cables.
Pin Assignment
1 Ground
2 TX+
3 TX-
4 Ground
5 RX-
6 RX+
7 Ground
F_USB32_A-5G: Header for USB 3.2 (Gen1) Ports at Front Panel
This header allows user to add addional 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_USB20_1/ F_USB20_2: Header for USB 2.0 Ports at Front Panel
This header allows user to add addional 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