110 Series 3-27
6. The Hard Disk Test message appears after you respond to the Detail Status
prompt. Select the number of the subtest you want to execute and press Enter.
The following message appears during each subtest.
HARD DISK TEST XXXXXXX
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. The last
two digits indicate the error status code as explained in Table 3-3.
Subtest 01 Sequential Read
Reads all the tracks on the HDD sequentially, 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
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:
Forward sequential
Reverse sequential
Random
Subtest 03 Random Address/Data
Writes random data to random addresses on the HDD cylinder, head, and
sector. This data is then read and compared to the original data.
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