Biostar B550T-SILVER Instruction Manual page 18

F_PANEL: Front Panel Header
This connector includes Power-on, Reset, HDD LED and Power LED connections. It allows user
to connect the PC case's front panel switch functions.
SPKR: Chassis Speaker Header
Please connect the chassis speaker to this header.
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.
18 | Chapter 2: Hardware installation
Pin Assignment Function Pin Assignment
1 HDD LED(+)
HDD
LED
3 HDD LED(-)
5 Ground
Reset
7 Reset Control Button
9 NC NC
Pin Assignment
1
2
3
4
Pin
1
2
3
4
5
6
7
Function
2 Power LED (+)
Power
LED
4 Power LED (-)
6 Power Button
Power-On
8 Ground Button
10 NA NA
+5V
N/A
N/A
Speaker
Assignment
Ground
TX+
TX-
Ground
RX-
RX+
Ground