VT-501 Mainboard Manual
34
5). Connect Cables and Power Supply
Keyboard Connector: AT_KB
This 5-pin female connector is connected to your keyboard.
Serial Port Connector: COM1 and COM2
These two 10-pin male connectors allow you to connect with your devices that
take serial ports, such as a serial mouse or a modem. The COM2 Port on the
mainboard can also be used as another IR Port. Usually, your serial mouse is
attached to COM1. Your modem is linked to COM2. When you do not use the
modem, you can set the BIOS to let COM2 be an IR port to save a dedicated
SIR port.