Hardware Diagnostics
Hardware Diagnostics Program
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- 02. EXPANSION MEMORY TEST writes constant data to all of the memory areas,
then reads the data and compares it with the test data.
- 03. RAM REFRESH TEST writes test data to the memory, then reads the data after
one refresh cycle and compares the data with the test data.
- 04. STRESS TEST writes data to the protected mode memory (from 1 MB to
maximum), then reads the data and compress it with the write data.
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02. KEYBOARD TEST contains three subtests to test the computer's keyboard and
mouse actions.
- 01. PRESSED KEY DISPLAY provides a drawing of the keyboard layout. When any
key is pressed, the corresponding key appears on the display. Pressing and holding
a key enables the auto-repeat function which causes the key's displayed character
to blink. Before performing the test, select
Keyboard Type
in the test parameters.
- 02. KEYBOARD LED ON enables the system to display the Num Lock, Caps Lock,
and Scroll Lock LEDs.
- 03. PS/2 MOUSE test checks whether or not a PS/2 mouse is connected. During
the test, no message appears on the screen.
KEYBOARD TEST (KBD) Error Log
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03. DISPLAY TEST checks the function of the display.
DISPLAY TEST (CRT) Error Log
NOTE: The 02. EXPANSION MEMORY TEST, 03. RAM REFRESH TEST and 04.
STRESS TEST all test the memory area. The time required to complete these tests
will increase with the amount of system RAM installed. A fully loaded system may
take a few hours to complete.
Status
Error name
Meaning
01
CLOCK LINE ERROR L
Clock line error (LOW)
02
CLOCK LINE ERROR H
Clock line error (HIGH)
03
DATA LINE ERROR L
Data line error (LOW)
04
DATA LINE ERROR H
Data line error (HIGH)
07
INTERFACE ERROR
Interface error
08
RESENDING ERROR
Sending/receiving error
09
D ERROR
D error
FF
DATA COMPARE ERROR
Data comparing error
Status
Error name
Meaning
FF
DATA COMPARE ERROR
Data comparing error
