Toshiba Magnia 7100 - Manual (Page 71)

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HW Diagnostics
Details of Test Items and Error Log Information
Details of Test Items and Error Log Information
The following are Test items and Error log information:
[01. MEMORY TEST]
To run the memory.
[01. Conventional memory]
This test writes data to conventional memory (0 to 640 KB), and then reads the new data and
compares the result with the test data.
[02. Expansion memory]
This test writes constant data to all of the memory area, and then reads the data and
compares it with the test data.
[03. RAM refresh]
This test writes test data to the memory, and then reads the data after one refresh cycle and
compares the data with the test data.
[04. Stress test]
This test writes data to the protected mode memory (from 1 MB to maximum), and then
reads the data and compresses it with the write data.
MEMORY TEST (RAM) Error log
Status Error name Meaning
01 PARITY ERROR Parity error
02 PROTECTED MODE NOT CHANGE ERROR The Shift to the protected mode
failed.
FF DATA COMPARE ERROR Data comparing error
[02. KEYBOARD TEST]
The 'Keyboard Test' contains three subtests that test the computer's keyboard and mouse
actions.
[01. Pressed key display]
When you execute this subtest, the keyboard layout is drawn on the display. When any key
is pressed, the corresponding key appears on the display. Pressing and holding a key enables
the auto-repeat function, causing the key's displayed character to blink.
Before executing the test, select 'Keyboard Type' in the test parameters.
NOTE: The [02. Expansion memory], [03. RAM refresh] and [04. Stress test] tests all memory area.If
the capacity of mounted internal memory is large, the tests may take a few hours.