Tests and Diagnostics
3-166
[CONFIDENTIAL]
Qosmio F60 Series Maintenance Manual (960-796)
3.35.6.6 Hard Disk Test
1) Sequential read
This subtest performs a forward read operation (0 to Maximum) by 63 sectors.
2) 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.
▼
Forward sequential
▼
Reverse sequential
▼
Random
3) 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.
4) 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
‘ 149249 ‘
3 cylinder
‘ 63B63B ‘
4 cylinder
‘ 9C49C4 ‘
5 cylinder
‘ 2DB6DB ‘
6 cylinder
‘ D24924 ‘
7 cylinder
Summary of Contents for Qosmio F60 Series
Page 11: ...1 Hardware Overview 1 2 Qosmio F60 Series Maintenance Manual 960 796 CONFIDENTIAL ...
Page 43: ...Troubleshooting Procedures 2 2 CONFIDENTIAL Qosmio F60 Series Maintenance Manual 960 796 ...
Page 119: ...Tests and Diagnostics 3 2 CONFIDENTIAL Qosmio F60 Series Maintenance Manual 960 796 3 ...
Page 293: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 398: ... CONFIDENTIAL Appendices ...
Page 399: ...Appendices App ii CONFIDENTIAL Qosmio F60 Series Maintenance Manual 960 796 ...
Page 459: ...Appendix E Key Layout TECRA 9100 Maintenance Manual 960 347 3 ...