Test Program for Field.
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)
3.9 Hard Disk Test
To execute the Hard Disk Test select 06 from the Diagnostic Test Menu, press Enter and
follow the directions on the screen. The Hard Disk Test contains eight subtests that test the
functions of the hard disk drive. Move the highlight bar to the subtest you want to execute
and press Enter.
NOTES: The contents of the hard disk will be erased when subtest 02, 03, 04, 05, 07 or
08 is executed. Before running the test, transfer the contents of the hard disk to other disk.
A password is necessary to execute the Hard Disk Test. The password is: hard disk
Subtest 01 Sequential Read
This subtest sequentially reads all the tracks on the HDD starting at track 0.
When all tracks have been read, the test starts at the maximum track and reads
sequentially back to track 0.
Subtest 02 Address Uniqueness (This subtest need very long time)
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:
ï‚· Forward sequential
ï‚· Reverse sequential
ï‚· Random
Subtest 03 Random Address Data
This subtest writes random data to 1000 different random addresses on the
HDD. This data is then read and compared to the original data.
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