Toshiba Satellite U400 Maintenance Manual page 136

Test Program for Field.
Subtest 04
Subtest 05
.
Subtest 06
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Cross Talk and Peak Shift
This subtest writes eight of the most likely to fail data patterns (shown below)
to a cylinder on the HDD, then reads the data while moving from cylinder to
cylinder.
Data Pattern
B5ADADH
4A5252H
EB6DB6H
149249H
63B63BH
9C49C4H
2DB6DBH
D24924H
Write Specified Address
NOTE: This subtest is designed to run with the Test Loop set to NO. This
subtest is a debug tool and the operator should enter the Test Parameters
each time.
This subtest allows you to verify the errors from Subtest 01. It writes specified
data to a specified LBA. Use the Log Utilities (see Section 3.18) to specify the
LBA number where the error(s) occurred during Subtest 01. The following
message displays on the screen to enter the test data, and Sector count.
TEST DATA
SECTOR COUNT (01~39) ??
START ADDRESS (00000000~MAX Address) ?
Read Specified Address
NOTE: This subtest is designed to run with the Test Loop set to NO. This
subtest is a debug tool and the operator should enter the Test Parameters
each time.
This subtest allows you to verify the errors from Subtest 01. It reads specified
data (Subtest 06) from a specified LBA. Use the Log Utilities (see Section
3.18) to specify the LBA number where the error(s) occurred during Subtest
01. The following message displays on the screen to enter the test sector
count.
SECTOR COUNT (01~39) ??
START ADDRESS (00000000~MAX Address) ?
??
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