Toshiba Libretto 50CT, User Manual

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3 Tests and Diagnostics 3.11 Hard Disk Test
Libretto 50CT/70CT Maintenance Manual 3-25
HARD DISK TEST XXXXXXX
SUB-TEST : XX
PASS COUNT: XXXXX ERROR COUNT: XXXXX
WRITE DATA: XX READ DATA : XX
ADDRESS : XXXXXX STATUS : XXX
SUB-TEST MENU :
01 - Sequential read
02 - Address uniqueness
03 - Random address/data
04 - Cross talk & peak shift
05 - Write/read/compare (CE)
06 - Write specified address
07 - Read specified address
08 - ECC circuit
09 - Sequential write
10 - W-R-C specified address
99 - Exit to DIAGNOSTIC TEST MENU
↑↓→←
: Select items
Enter : Specify
Esc : Exit
6. Type the number of the subtest that you want to run and press Enter . The following
displays:
TEST LOOP : YES
ERROR STOP : YES
After you select TEST LOOP or ERROR STOP , the test will automatically start.
Subtest 01 Sequential read
This subtest is a sequential reading of all the tracks on the HDD starting at
track 0. When all the tracks on the HDD have been read, the test starts at the
maximum track and sequentially reads the tracks on the HDD back to track 0.
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