Biostar B450MHP Manual page 17

PANEL: Front Panel Header
This 16-pin header includes Power-on, Reset, HDD LED, Power LED, and speaker connection.
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 Function
1 +5V
2 N/A Speaker
3 N/A Connector
4 Speaker
5 HDD LED (+) Hard drive
6 HDD LED (-) LED
7 Ground
Reset
8 Reset control button
Pin
1
2
3
4
5
6
7
Chapter 2: Hardware installation | 17
Pin Assignment Function
9 N/A
N/A
10 N/A
11 N/A N/A
12 Power LED (+)
Power
13 Power LED (+)
LED
14 Power LED (-)
15 Power button Power-on
16 Ground button
Assignment
Ground
TX+
TX-
Ground
RX-
RX+
Ground