Epson 386/25 - Manual (Page 283)

Modifying the Device List
If an installed device is missing from the Device List, you must
add it to the list and test it carefully. At the following prompt,
select
N.
DEVICE LIST is correct ? (Y/N)
You see this menu:
To add a device to the list, select 1. The program displays a list
of other devices that are not currently included in the Device
List. You see a menu similar to this:
Additional DEVICE LIST
4 - Monochrome display adapter and CRT
7 - Math coprocessor
12 - Alternate serial port
21 - Alternate parallel port
81 - Parallel port (on video adapter)
0 - Exit to DEVICE LIST
I
Highlight the item you wish to add and press Enter.
You can add as many devices as necessary. When the Device
List is complete, select 0 (Exit).
Performing System Diagnostics E-5