Connectors; Floppy Disk Drive Connector: Fdd1; Chassis Intrusion Switch Connector: J8 - MSI MS-6558/G 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.

Chassis Intrusion Switch Connector: J8

This connector is connected to 2-pin connector chassis switch. If the
Chassis is open, the switch will be short. The system will record this status. To
clear the warning, you must enter the BIOS settting and clear the status.
Hardware Setup
FDD1
2-13
J8