Toshiba Satellite A40 Maintenance Manual - Page 152
Tests and Diagnostics, Hard Disk Test, Partial read
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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 'B5ADAD' '4A5252' 'EB6DB6' '149249' '63B63B' '9C49C4' '2DB6DB' 'D24924' Cylinder 0 cylinder 1 cylinder 2 cylinder 3 cylinder 4 cylinder 5 cylinder 6 cylinder 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 1GB T&D Test Area 1GB Subtest 06 T&D Test Area 1GB Write specified address This subtest writes specified data to a specified cylinder and head on the HDD. 3-28 Satellite A40 Maintenance Manual (960-458)
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