Toshiba A10 manual Worst pattern data Cylinder, ‘B5ADAD’

3 Tests and Diagnostics 3.11 Hard Disk Test

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 (to check the data interference in the neighbor track) to compare.

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 from 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.

3-30 Satellite A10/TECRA A1/Satellite Pro A10 Maintenance Manual (960-445)