Owner's Manual

4-4

Expanding Your Computer

Connecting a Serial Device

Your computer has two serial ports for connecting a serial device.

Follow this procedure to connect a serial device:

1. The serial port is configured as RS232 by default. If you want to use it as

RS422, run BIOS Setup to change the setting. (See “Advanced Menu” in

Chapter 5 for information.)

2. Turn off the computer.

3. Plug the device cable to the serial port on the rear of the computer.

4. Turn on the computer.

NOTE: Portable modems that derive power through the serial port cannot

be used with the computer. Instead, use a modem that is powered by its

own internal battery or external AC power.