Table of Contents
Advertisement
Hardware Diagnostics
❖
STATUS provides the status of the test being executed.
If any error occurs during the test, the message "ERROR OCCURRED!" is displayed.
The error name is also displayed next to ADDRESS.
Details of Test Items and Error Log Information
The following are available Test Items and the Error Log results information:
❖
01. MEMORY TEST is used to run the memory.
MEMORY TEST (RAM) Error Log entries
Status
01
02
FF
- 01. CONVENTIONAL MEMORY TEST writes data to conventional memory (0 to
640 KB), then reads the new data and compares the result with the test data.
- 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.
The 02. EXPANSION MEMORY TEST, 03. RAM REFRESH TEST and 04.
STRESS TEST all test the memory area. When there is a large amount of
memory, the tests may take a few hours.
❖
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.
Error name
PARITY ERROR
PROTECTED MODE NOT
CHANGE ERROR
DATA COMPARE ERROR
HW Diagnostics Program Main Menu
Meaning
Parity error
Shift to the protected mode failed
Data comparing error
261
Advertisement
Table of Contents
