Connector Cables And Power Supply; Serial Port Connectors: Com1, Com2; Cpu Fan Connector: Fan - FIC VT-502 Manual

VT-502 Mainboard Manual

5). Connector Cables and Power Supply

Serial Port Connectors: COM1, COM2

These two connectors allow you to connect with your devices that take
serial ports, such as a serial mouse or a modem. Usually, it is recommended
to connect your serial mouse to COM1 and your fax/modem to COM2.
Because COM2 and IR utilizes the same IRQ, COM2 will not work if an IR
device is connected to the IR connector.

CPU Fan Connector: FAN

This connector is connected to the CPU fan.
30