Epson Y16499100301 User Manual

The program continues after an error in one of the

following ways:

l

It returns to the DEVICE LIST, or

l

If you are running multiple tests and are not terminating
on an error, the program repeats the test that caused the

error.

The remainder of this appendix describes the tests you can

run on the system’s internal devices and on the optional
devices installed in your computer. The program displays the

title of each check on the screen.

For a complete list of the error codes and messages that are

displayed by these tests, see Table D-l at the end of this

appendix.

Use this option to check the operation of each major

component on the system board, including the following:

l 

The V30™ CPU chip

l

The real-time clock, CMOS RAM, and battery

l 

The main integrated circuits.

The checks made on the V30 CPU chip are extremely

comprehensive. They ensure that the CPU instruction set is
functioning correctly.

If an error occurs, write down the error code and message,

or print them out, and contact your Epson dealer. Attempting

to correct system board errors yourself may violate your
warranty agreement.

Use this option to check the computer’s built-in memory.