Biostar B660GTN Manual page 18

F_PANEL: Front Panel Header
This 10-pin header includes Power-on, Reset, HDD LED, Power LED connection.
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 +5V
2 N/A
3 N/A
4 Speaker
Function
2 Power LED (+) Power
LED
4 Power LED (-)
6 Power Button Power-On
8 Ground Button
10 NA NA
Pin Assignment
1 Ground
2 TX+
3 TX-
4 Ground
5 RX-
6 RX+
7 Ground