Toshiba PORTEGE Z830 Satellite Z830 Maintenance Manual page 271

5) Partial read
This subtest reads 1GB data that is in minimum, middle and maximum address of the HDD
area.
6) Write specified address
This subtest writes specified data to a specified cylinder and head on the HDD.
7) Read specified address
This subtest reads data, which has been written to a specified cylinder and head on the HDD.
8) Sequential write
This subtest writes specified 2-byte data to all of the cylinders on the HDD.
9) 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.
[ HDC Status ]
An error occurs during the HDD test, the following message is displayed.
Note: For the serial ATA, this message is not displayed correctly.
HDC status = X X X X
PORTEGE Z830 Satellite Z830 Series Maintenance Manual (960-883)
HDC error register (P – 1f7h)
HDC status register (P – 1f1h)
Tests and Diagnostics
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