IBM Aptiva Personal Computer
(250-0451A)                Serial Ports               Faxback Doc. # 33152

IBM Aptiva PCs have built-in external serial ports already installed in the
computer.  The connectors for these ports are located on the back of your
computer.  These ports can be used to connect a serial mouse, serial
printer or other serial devices and to transfer data between computers.

Serial ports A and B support these addresses and interrupts.

    Address        Interrupt

    3F8            IRQ 4

    3E8

    2F8            IRQ 3

    2E8

Conflicts may arise if you add adapter cards with serial ports or if you
change the address settings on your modem.  You can resolve most of these
conflicts by using the Setup Utility to change serial port addresses.  See
"Working with the Setup Utility: on page 65 for more information.


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