Epson 3865X Plus - Manual (Page 263)

2. At the MS-DOS command prompt, type VER and press
Enter. The screen displays the MS-DOS version number.
Write down the number so you can give it to your dealer.
If you do not have a hard disk, follow these steps:
1.
2.
3.
4.
Insert: the Reference diskette in drive A and turn on or reset
your computer.
At the Operation Menu, select Exit to MS-DOS
f o r m o r e u t i l i t i e s a n d p r e s s E n t e r .
At the A> prompt, type ROMBIOS and press Enter.
Write down the version number displayed on your screen.
Remove the Reference diskette and insert your Startup
diskette in drive A. Type VER and press Enter. The
screen displays the MS-DOS version number. Write down
the number so you can give it to your dealer.
Error Messages
Your computer’s built-in memory (ROM) contains a series of
diagnostics programs, called power-on diagnostics, which your
computer runs automatically every time you turn on the power.
These programs check internal devices such as ROM, RAM,
the timer, the keyboard controller, and the hard disk drive. The
RAM test program displays on the screen the total amount of
memory currently installed in your system. If the computer finds
an error, it displays a specific error number and error message on
the screen.
If the error is not serious, the computer waits for you to resume
further checking. You see this prompt:
(Resume = "F1" key)
D-2
Troubleshooting