Epson 20 User Manual
Page 146
2. Turn on or reset the computer. The OPERATION MENU
appears.
3.
Press 3 to select
System diagnostics
and then press
Enter.
When you start the System diagnostics, the computer checks the
results of the power-on diagnostics and any peripheral devices that are
connected to the system.
Then you see a list of the devices available for testing. This list
includes only the devices that are installed in the system, such as the
following, for example:
The following devices have been installed
DEVICE LIST
1 - System board
2
- Memory
3 Keyboard
5 - Color graphics adapter and CRT
6 - Floppy disk drives and controller
9 - Parallel port (printer interface)
11 - Serial port
(
RS
-232C port)
14 - Dot-matrix printer
17 - Hard disk drives and controller
Is the DEVICE LIST correct (Y/N)?
If the list correctly describes your system, press Y and then
Enter.
If a
device is missing from this list, or if you wish to change the list, press
N
and
Enter.
C-2
Performing System
Diagnostics