Toshiba M10 User Manual
Page 136

3 Tests and Diagnostics
3.10 Hard Disk Test
3-30
Satellite Pro M10 Series Maintenance Manual (960-431)
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.
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.
Subtest 07
Read Specified Address
This subtest reads data that has been written to a specified cylinder and 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.