3 Tests and Diagnostics
3.10 Hard Disk Test
3-24
Portege 2000 Maintenance Manual (960-333)
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 (to check
the data interference in the neighbor track) to compare. After the third pass, it
tests the motor-off function (HDD motor is turned off, stops for 20 minutes
and is turned on).
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
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 09
Sequential Write
This subtest writes specified 2-byte data to all of the cylinders on the HDD.
Subtest 10
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 Portege 2000
Page 9: ...Chapter 1 Hardware Overview ...
Page 10: ...1 Hardware Overview 1 ii Portege 2000 Maintenance Manual 960 333 1 Hardware Overview ...
Page 30: ...1 Hardware Overview 1 7 AC Adapter 1 18 Portege 2000 Maintenance Manual 960 333 ...
Page 31: ...Chapter 2 Troubleshooting Procedures ...
Page 32: ...2 Troubleshooting Procedures 2 ii Portege 2000 Maintenance Manual 960 333 2 ...
Page 36: ...2 Troubleshooting Procedures 2 vi Portege 2000 Maintenance Manual 960 333 ...
Page 87: ...Chapter 3 Tests and Diagnostics ...
Page 88: ...3 Tests and Diagnostics 3 ii Portege 2000 Maintenance Manual 960 333 3 ...
Page 147: ...Chapter 4 Replacement Procedures ...
Page 148: ...4 Replacement Procedures 4 ii Portage 2000 Maintenance Manual 960 333 4 ...
Page 215: ...Appendices ...
Page 216: ...Appendices App ii Portege 2000 Maintenance Manual 960 333 ...
Page 222: ...Appendices App viii Portege 2000 Maintenance Manual 960 333 ...
Page 228: ...Appendices Apx A Handling the LCD Module A 6 Portege 2000 Maintenance Manual 960 333 ...
Page 264: ...Appendices Apx E Key Layout E 2 Portege 2000 Maintenance Manual 960 333 ...
Page 266: ...Appendices Apx F BIOS KBC EC Update F 2 Portege 2000 Maintenance Manual 960 333 ...
Page 268: ...Appendices Apx G Reliability G 2 Portege 2000 Maintenance Manual 960 333 ...
Page 270: ...Appendices Apx H Key FD H 2 Portege 2000 Maintenance Manual 960 333 ...