3.13 Hard Disk Test |
| 3 Tests and Diagnostics | |||
Subtest 04 | Cross talk & peak shift |
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| This subtest writes eight types of worst pattern data (listed below) to a cylinder and | ||||
| then reads the data while moving from cylinder to cylinder. (Tests the data | ||||
| interference in the neighbor track.) |
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| Worst pattern data |
| Cylinder |
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| ‘B5ADAD’ |
| 0 cylinder |
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| ‘4A5252’ |
| 1 cylinder |
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| ‘EB6DB6’ |
| 2 cylinder |
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| ‘149749’ |
| 3 cylinder |
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| ’63B63B’ |
| 4 cylinder |
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| ‘9C49C4’ |
| 5 cylinder |
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| ‘2DB6DB’ |
| 6 cylinder |
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| ‘D24974’ |
| 7 cylinder |
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Subtest 05 | Partial Read |
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| This subtest reads 1GB data which is in minimum, middle and maximum address of | ||||
| the HDD area. |
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Subtest 06 | Write specified address |
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| This subtest writes specified data to a specified cylinder and head on the HDD. | ||||
Subtest 07 | Read specified address |
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| This subtest reads data, which has been written to a specified cylinder and head on | ||||
| the HDD. |
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Subtest 08 | Sequential write |
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| This subtest writes specified | ||||
Subtest 09 |
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| This subtest writes data to a specified cylinder and head on the HDD, then reads | ||||
| the data and compares it to the original data. | ||||
PORTEGE A200 Maintenance Manual |
