Acer Extensa 390 User Manual page 38

Getting Familiar with your Computer
Connecting an External Floppy Drive
Note: The external floppy drive is hot-pluggable.
You do not need to turn off the computer to
connect and use the floppy drive.
1-18
Connect the larger end
of the floppy drive
cable to the parallel
port and the other end
to the connector on the
external floppy drive.