Expanding Your Computer 4-4Connecting a Serial DeviceYour computer has two serial ports for connecting serial devices such asserial mouse or serial communication device (modem).Follow this procedure to connect a serial device:1. Make sure the “Serial Port COM1/COM2” item is set properly in theBIOS Setup program. (See “Advanced Menu” in Chapter 5 forinformation.)2. Make sure the computer is not turned on.3. Slide the release latch towards the right to open the port cover.4. Plug the device cable to the serial port on the rear of the computer.5. Turn on the computer.NOTE: Portable modems that derive power through the serial port cannot be used withthe computer. Instead, use a modem that is powered by its own internal battery orexternal AC power.
