3.13 Hard Disk Test
3 Tests and Diagnostics
3-28 [CONFIDENTIAL]
Satellite A50S/TECRA A3X Maintenance Manual (960-534)
Subtest 04
Cross talk & peak shift
This subtest writes eight types of worst pattern data (listed below) to a
cylinder, then reads the data while moving from cylinder to cylinder. (Test the
data interference in the neighbor track)
Worst pattern data
Cylinder
‘B5ADAD’ 0
cylinder
‘4A5252’ 1
cylinder
‘EB6DB6’ 2
cylinder
‘153449’ 3
cylinder
’63B63B’ 4
cylinder
‘9C49C4’ 5
cylinder
‘2DB6DB’ 6
cylinder
‘D25344’ 7
cylinder
Subtest 05
Partial Read
This subtest reads 1GB data that is in minimum, middle and maximum
address of the HDD area.
Subtest 06
Write specified address
This subtest writes specified data to a specified cylinder and head on the
HDD.
Subtest 07
Read specified address
This subtest reads data, which has been written to a specified cylinder and
head on the HDD.
Subtest 08
Sequential write
This subtest writes specified 2-byte data to all of the cylinders on the HDD.
Subtest 09
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.
Summary of Contents for Tecra A3X
Page 10: ...x CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 16: ...1 Hardware Overview 1 vi CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...
Page 51: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 105: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 110: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...
Page 217: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 337: ... CONFIDENTIAL Appendices ...
Page 338: ...Appendices App ii CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...