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File No.
960-010
Subtest 04
Subtest 05
Subtest 06
Subtest 07
Subtest 08
Subtest 09
Substest 10
Cross talk & peak shift
This subtest writes the eight types of worst
pattern data (shown below) to cylinders then reads
the data while shifting cylinder by cylinder.
Worst pattern data
1. B5ADAD ...... .
2. 4A5252 ...... .
3. EB6DB6 ...... .
4. 149249 ...... .
5. 63B63B ...... .
6. 9C49C4 ...... .
7. 2DB6DB ...... .
8. D24924 ...... .
Write/Read/Compare (CE)
This subtest writes B5ADAD worst pattern data to
the CE cylinder and then reads the data out and
compares it with the original data.
Write specified address
This subtest writes specified data to a specified
cylinder and head.
Read specified address
This subtest reads data which has been written to
a specified cylinder and head.
ECC circuit (CE cylinder)
This subtest checks the ECC (Error check and
correction) circuit functions to a specified
cylinder and head.
Sequential write
This subtest writes specified data of the two
bytes to all cylinder.
W-R-C specified address
This subtest writes specified data to the
specified cylinder and head, then read and compare
with original data.
3-24
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