Floppy Disk Drive Connector: Fdd1 - MSI MS-6555 Manual

Connectors
The mainboard provides connectors to connect to FDD, IDE HDD, case,
modem, LAN, USB Ports, IR module and CPU/System FAN.

Floppy Disk Drive Connector: FDD1

The mainboard provides a standard floppy disk drive connector that
supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types.
Independent Power Switch Connector: PWRSW1 (Optional)
The connector is connected to an independent power switch on the
case. Touch the power switch's touch pad will turn on/off the computer.
Hardware Setup
FDD1
1
PWRSW1
2-13
+5VSB
GND
PS-ON