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3 Tests and Diagnostics 3.14 Hard Disk Test

3-34 [CONFIDENTIAL] QOSMIO G30 Maintenance Manual (960-546)

4. The Hard Disk Test message will appear after you respond to the Detail Status

prompt. Select the number of the subtest you want to execute and press Enter. The

following message will appear during each subtest.

HARD DISK TEST XXXXXXX

XXX DIAGNOSTIC TEST VX.XX

[Ctrl]+[Break] : test end

[Ctrl]+[C] : key stop

SUB TEST : XX

PASS COUNT : XXXXX ERROR COUNT : XXXXX

WRITE DATA : XX READ DATA : XX

ADDRESS : XXXXXX STATUS : XXX

The first three digits of the ADDRESS indicate which cylinder is being tested, the

fourth digit indicates the head and the last two digits indicate the sector.

The first digit of the STATUS number indicates the drive being tested and the last

two digits indicate the error status code as explained in table 3-2 of the section 3.19.

Subtest 01 Sequential read

This subtest is a sequential reading of all the tracks on the HDD starting at

track 0. When all the tracks on the HDD have been read, the test starts at the

maximum track and reads the tracks on the HDD sequentially back to track 0.

Subtest 02 Address uniqueness

This subtest writes unique address data to each sector of the HDD track-by-

track. The data written to each sector is then read and compared with the

original data. There are three ways the HDD can be read:

1. Forward sequential

2. Reverse sequential

3. Random

Subtest 03 Random address/data

This subtest writes random data in a random length to random addresses. This

data is then read and compared to the original data.

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