Epson 20020 Benutzerhandbuch

When you finish changing the jumpers, carefully replace the

memory card in its slot and secure it with the retaining screw.

The jumpers on the multi-function card control the parallel
port address and the serial port address. You normally address

the parallel and serial ports in the computer as the primary
ports (LPT1 and COM1). However, if you install an additional
parallel or serial port and want it to be the primary port, you
need to change the jumpers on the multi-function card so the

built-in port becomes secondary (LPT2 and COM2).

The following table shows the jumpers on the multi-function

card that control the parallel port.