2 Troubleshooting Procedures
2.4 System Board Troubleshooting
Table 2-5 Printer port LED status (2/8)
LED Status
Test item
Contents
(B6h) (BIOS
rewrite)
Cancel of sound mute
Setting of volume to max.
Display of messages (EC/KBC
UPDATE/DAMAGED, BIOS UPDATE/DAMAGED)
Key input
Prohibition of USB
BEEP
Waiting for Key input
Reading of CHGBIOSA.EXE/CHGFIRMA.EXE
FDC RESET
Setting of parameters for 2HD (1.44MB)
Reading of first sector, If it is the data of 1.44MB
(2HD), the media type is definite.
Setting of parameters for 2DD (720KB)
Retrieval of “CHGBIOSA.EXE” from the root
directory.
Calculates the directory start header and sector.
Reads one sector of the root directory.
Retrieval the entry of “CHGBIOSA.EXE” and
“CHGFIRMA.EXE” from the sector read.
Reading of EXE header of “CHGBIOSA.EXE”
and “CHGFIRMA.EXE”, key input when error
occurred.
Execution of “CHGBIOSA.EXE” and
“CHGFIRMA.EXE”
(B3h)
Prohibition of cache
Initialization of special register
Cache control for Hyper Threading
Prohibition of cache
Initialization of H/W (before DRAM recognition)
Initialization of MCHM
Initialization of ICH4M.D31.Func0
Initialization of ICH4M.D31.Func1
Initialization of USB.Func0,1,2,7
Initialization of ICH4M.D31.Func3
Initialization of ICH4M.D31.Func5
00h
Initialization of FLUTE
Initialization of PIT channel 1 (Setting the refresh
interval “30
µ
s”)
2-24
Satellite A40 Maintenance Manual (960-458)
Содержание Satellite A40 Series
Страница 10: ...x Satellite A40 Maintenance Manual 960 458 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii Satellite A40 Maintenance Manual 960 458 ...
Страница 51: ...Chapter 2 Troubleshooting Procedures ...
Страница 52: ...2 Troubleshooting Procedures 2 ii Satellite A40 Maintenance Manual 960 458 ...
Страница 56: ...2 Troubleshooting Procedures 2 vi Satellite A40 Maintenance Manual 960 458 ...
Страница 117: ...2 14 SD Card Slot Troubleshooting 2 Troubleshooting Procedures Satellite A40 Maintenance Manual 960 458 2 61 ...
Страница 118: ...Chapter 3 Tests and Diagnostics ...
Страница 119: ...3 Tests and Diagnostics 3 ii Satellite A40 Maintenance Manual 960 458 ...
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 ...