Toshiba Portege Z830, Руководство по обслуживанию

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Tests and Diagnostics
PORTEGE Z830 Satellite Z830 Series Maintenance Manual (960-883)
[CONFIDENTIAL] 3-157
3.35.6 Detail of Each Test Function
3.35.6.1 System Test
1) DMI data read
This subtest displays the information in the Flash-ROM in the following format
Model Name
：
XXXXXXXX
Version Number
： XXXXXXXX
Serial Number
：
XXXXXXXX
Model Number
：
XXXXXXXX
PCN/BND
Number
：
XXXXXXXX
UUID Number
：
XXXXXXXXXXXXXXX
3.35.6.2 Memory test
1) Conventional memory test
This subtest writes a constant data to conventional memory (0 to 640 KB), then reads the
new data and compares the result with the original data.
With regard to the test memory content, save the data to the test memory before the test and
restore it after the test.
Details of Test:
1-1) This subtest performs a test data write/read/compare operation to the work memory
(640KB from 0000:0000 to 9000:FFFF) in the real mode. The test procedure is as follows:
Step 1: Byte Enable Test
Write double words of the data to the initial address of the data in 64KB units and the initial
a 4, then read the written data byte by byte and compare the result with the original
data.
.