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3.11 Hard Disk Test 3 Tests and Diagnostics
4. Select the number of the subtest you want to execute and press Enter. The following
message will appear.
HARD DISK TEST IN PROGRESS XXXXXXX
SUB-TEST :XX
XXX DIAGNOSTIC TEST VX.XX
[Ctrl]+[Break] ;test end
[Ctrl]+[C] ;key stop
PASS COUNT:XXXXX ERRORCOUNT :XXXXX
WRITE DATA:XX READ DATA :XX
ADDRESS :XXXXXXXX STATUS :XXX
The first three digits of the ADDRESS indicate which cylinder is being tested, the
fourth digit indicates the head and the last two digits indicate the sector.
The first digit of the STATUS number indicates the drive being tested and the last
two digits indicate the error status code as explained in Table 3-2.
Subtest 01 Sequential read
This subtest reads sequentially all the track data on the HDD starting at track
0 (forward reading). When all the tracks on the HDD have been read, the test
reads the maximum track data and continuous to read the track data on the
HDD sequentially back to track 0 (reverse read).
Subtest 02 Address uniqueness
This subtest writes unique address data to each sector of the HDD track-by-
track. The data written to each sector is then read and compared with the
original data. There are three ways the HDD can be read:
• Forward sequential
• Reverse sequential
• Random
Subtest 03 Random address/data
This subtest writes random data in a random length to random addresses. This
data is then read and compared to the original data.
Satellite A10/TECRA A10/Satellite Pro A10 Maintenance Manual (960-445) 3-29