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Diagnostics
Starting the Diagnostic Program
Turn on power to the computer, and at the
C:\>
prompt type
DIAG
and press the
Enter
key. The diagnostic program starts up. This may take several seconds. The main menu
is displayed on the screen.
Use the cursor keys to move the bar cursor to the particular diagnostic test you want to run and press the
Enter
key. Or press the
Esc
key to exit the diagnostic program and return to the
C:\>
prompt.
Some of the diagnostic test categories on the menu contain several separate tests. When you select one of
these categories, a separate submenu is displayed. You can exit the sub-menu and return to the main menu by
pressing the
Esc
key. Each category is described below.
Real-Time Clock (RTC)
This category contains the following four tests:
RTC Timer Check -
Checks if the timer interrupt works correctly.
RTC Clock Check -
Checks if the clock works correctly.
RTC CMOS RAM Check -
Does a data read/write check on the special battery backed-up memory area
used for the real-time clock.
Setup CMOS RAM Check -
Does a data read/write check on the special battery backed-up memory area
which holds the settings for the Set Up program.
Run All Checks
-Checks all four above items in sequence.
Diagnostics E-3