2. Locate the serial port on the back of your computer and connect it with the serial cable on the back of the external modem. Windows Based Systems: It may be marked COM, SERIAL, MODEM or RS-232. Do not select AUX, GAME or PARALLEL port. If you are not familiar with the location of these ports, your computer uses icons to mark its ports or there are no markings on any of the ports, please refer to your systems “ Owner’s Guide” for detailed instructions. The Viking external modem comes standard