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The remainder of this chapter describes the tests you can run on the
system's internal devices and on the optional devices installed on your
computer. The program displays the title of each check on the screen.
For a complete list of the error codes and messages these tests may
display, see the table at the end of this chapter.
System Board Check
Use this option to check the operation of each major component on
the system board, including:
The 80386 CPU chip
l
The system ROM
l
The real-time clock, CMOS RAM, and battery
l
The main integrated circuits.
l
The checks made on the 80386 CPU chip are extremely
comprehensive and ensure that the CPU instruction set, including
protected-mode operation, is functioning correctly.
If an error occurs, make a copy or a printout of the error code and
message, and contact your Epson dealer or service center for
assistance. Attempting to correct system board errors yourself may
violate your warranty agreement.
Memory Check
Use this option to check the memory installed in your computer,
including expansion memory. The program reads the CMOS RAM
to find the total amount of memory. If any settings are incorrect, use
Setup to define the correct amount in CMOS RAM. If you installed
an optional memory card, you may need to adjust some DIP switch
settings on the card.
Performing
System Diagnostics
C-7
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