3 Tests and Diagnostics
3.17 Hard Disk Test Detail Status
3.17 Hard Disk Test Detail Status
When an error occurs in the hard disk test, the following message is displayed:
HDC status = XXXX
Detailed information about the hard disk test error is displayed on the screen by a four-digit
number.
The hard disk controller error status is composed of two bytes; the first byte displays the
contents of the HDC status register in hexadecimal form and the second byte displays the
HDC error register.
The contents of the HDC status register and error register are listed in Tables 3-3 and 3-4.
Table 3-3 Hard disk controller status register contents
Bit Name
Description
7 BSY
(Busy)
“0” … HDC is ready.
“1” … HDC is busy.
6 DRY
(Drive ready)
“0” … Hard disk drive is not ready to accept any command.
“1” … Hard disk drive is ready.
5 DWF
(Drive write fault)
“0” … DWF error is not detected.
“1” … Write fault condition occurred.
4 DSC
(Drive seek complete)
“0” … The hard disk drive heads are not settled over a track.
“1” … The hard disk drive heads are settled over a track.
3 DRQ
(Data request)
“0” … Drive is not ready for data transfer.
“1” … Drive is ready for data transfer.
2 COR
(Corrected data)
“0” … Not used
“1” … Correctable data error is corrected.
1 IDX
(Index)
“0” … Not used
“1” … Index is sensed.
0 ERR
(Error)
“0” … Normal
“1” … The previous command was terminated with an error.
3-38
Satellite A40 Maintenance Manual (960-458)
Содержание Satellite A40 Series
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Страница 11: ...Chapter 1 Hardware Overview ...
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Страница 51: ...Chapter 2 Troubleshooting Procedures ...
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Страница 118: ...Chapter 3 Tests and Diagnostics ...
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Страница 203: ...3 Tests and Diagnostics 3 29 Thermal Radiation Control Test 3 82 Satellite A40 Maintenance Manual 960 458 ...
Страница 204: ...Chapter 4 Replacement Procedures ...
Страница 205: ...4 Replacement Procedures 4 ii Satellite A40 Maintenance Manual 960 458 ...
Страница 358: ...Appendices ...
Страница 359: ...Appendices App ii Satellite A40 Maintenance Manual 960 458 ...
Страница 365: ...Appendices App viii Satellite A40 Maintenance Manual 960 458 ...
Страница 371: ...Appendices Appendix A Handling the LCD Module A 6 Satellite A40 Maintenance Manual 960 458 ...
Страница 411: ...Appendices Appendix E Key Layout E 4 Satellite A40 Maintenance Manual 960 458 ...
Страница 413: ...Appendices Appendix F Wiring Diagrams F 2 Satellite A40 Maintenance Manual 960 458 ...
Страница 415: ...Appendices Appendix G BIOS Rewrite Procedures G 2 Satellite A40 Maintenance Manual 960 458 ...
Страница 417: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 Satellite A40 Maintenance Manual 960 458 ...
Страница 419: ...Appendices Appendix I Reliability I 2 Satellite A40 Maintenance Manual 960 458 ...