this section provides pin and other information about the i/o connectors on the rear of your computer. refer to "input/output connector locations" on page 9. these connectors include the following:

    1 one mouse

    2 one keyboard

    3 one parallel

    4 two serial

    5 one ethernet

    6 two usb

    7 line in

    8 line out

    9 microphone

    10 one video (optional multiple connectors on some models)

    11 one ultra 3/160 scsi (some models)