Toshiba Tecra S1 User Guide - Page 147
Determining the COM port, Start, Control Panel, Printers and Other Hardware, Phone and, Modem Options
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147 Exploring Your Options Exchanging data with another computer Determining the COM port Your modem is connected to one of the computer's COM (communications) ports. The default setting for the modem is COM3. The following procedure is intended to support you if you need to either upgrade your modem or reset the port to the default settings. DEFINITION: Although the terms are often used interchangeably, the serial port and COM port are really two different things. The serial port is the physical port on the back of the computer. The COM port is a unique identifier the computer uses to communicate with the serial port or other serial devices. If you're having trouble connecting through the modem, you may need to determine the current COM port name and possibly change it. To find out which port your modem is connected to: 1 Click Start, then Control Panel. Windows XP opens the Control Panel. 2 Click Printers and Other Hardware. 3 Double-click Phone and Modem Options. Windows XP displays the Phone and Modem Options Properties dialog box. 4 Click the Modems tab. Your modem should be listed next to one of the computer's COM ports. 5 Make a note of the COM port number. 6 To verify that the modem is set up properly, select the modem you wish to check and then click Properties to