Toshiba M30-35 Manuel D’Utilisation
3 Tests and Diagnostics
3.11 Hard Disk Test
3-26
Satellite M30-35 Maintenance Manual (960-455)
Subtest 04
Cross talk & peak shift
This subtest writes eight types of worst pattern data (listed below) to a
cylinder, then reads the data while moving from cylinder to cylinder. (Test the
data interference in the neighbor track)
cylinder, then reads the data while moving from cylinder to cylinder. (Test the
data interference in the neighbor track)
Worst pattern data
Cylinder
‘B5ADAD’ 0
cylinder
‘4A5252’ 1
cylinder
‘EB6DB6’ 2
cylinder
‘149249’ 3
cylinder
’63B63B’ 4
cylinder
‘9C49C4’ 5
cylinder
‘2DB6DB’ 6
cylinder
‘D24924’ 7
cylinder
Subtest 06
Write specified address
This subtest writes specified data to a specified cylinder and head on the
HDD.
HDD.
Subtest 07
Read specified address
This subtest reads data, which has been written to a specified cylinder and
head on the HDD.
head on the HDD.
Subtest 09
Sequential write
This subtest writes specified 2-byte data to all of the cylinders on the HDD.
Subtest 10
W-R-C specified address
This subtest writes data to a specified cylinder and head on the HDD, then
reads the data and compares it to the original data.
reads the data and compares it to the original data.