Toshiba A40 manual Worst pattern data Cylinder, ‘B5ADAD’, 1GB

3 Tests and Diagnostics				3.10 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. (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 05	Partial read
	This subtest reads 1GB data just before the first, middle and maximum of the
	HDD filed.

T&D Test Area

T&D Test Area

T&D Test Area

Subtest 06 Write specified address

1GB

1GB

1GB

This subtest writes specified data to a specified cylinder and head on the HDD.

3-26 Satellite A40 Maintenance Manual (960-458)