3 Tests and Diagnostics
PORTÉGÉ X30W-J, dynabook V*/VZ*/VC* Series Maintenance Manual (960-941) [CONFIDENTIAL] 3-13
3.7 Hard disk/SSD Test
To execute the Hard disk Test, select 2 from the DIAGNOSTIC TEST Menu (Main Test
Menu), press Enter and follow the directions on the screen. (Move the highlight bar to the
subtest you want to execute and press Enter.
Subtest1 [Sequential Read Test]
This test reads out the whole data from the address of LBA 0 to the last. The data is
read by 64-LBA unit.
If any errors occur, this test displays the message “HDD Read error “and writes
the information to the text file (errorlog.txt) as an error log.
Subtest 2 [Partial Read Test]
This test reads the data from the top and middle of the HDD area by 1GB. It reads
also from 1GB area before of the last address to the last.
If any errors occur, this test displays the message “HDD Read error “and writes
the information to the text file (errorlog.txt) as an error log.
T&D
Test Area
1GB
T&D
Test Area
1GB
T&D
Test Area
1GB
Subtest 3 [Address Jump Test]
This test writes the test data (AAAAAAAAh) to
1. LBA 63 (by 512-byte)
2. LBA 22 (=63 - 41) (by 512-byte)
3. LBA 86 (=22 + 64) (by 512-byte)
4. LBA 45 (=86 - 41) (by 512-byte)
At Step 1, this test starts from the LBA 63 and writes the test data by 512-byte.
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