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2.4 System Board Troubleshooting
2 Troubleshooting Procedures
TECRA M9 Maintenance Manual (960-631)
[CONFIDENTIAL]
2-21
Table 2-5 Serial port (Boot mode) error status (1/9)
D port
Status
Test item
Contents
Boot Block
Permission of A20 and clear of software
reset bit
Prohibition
of
APIC
Initialization of MCH, ICH
Initialization of Super I/O
Initialization of debug port (For models
supporting debug port)
Dummy read of 3
rd
Bus data
Setting of printer port (For models
supporting printer port)
F0B0h
PIT CH0 initialization (for HOLD_ON)
BIOS rewrite factor flag initialization
CHECK SUM CHECK
Transition to protected mode
Boot block checksum (skipped when
returned from S3)
Halts when error occurs
Checksum other than boot block (skipped
when returned from S3)
If “rewrite” is requested, go to “BIOS rewrite
process”
EC/KBC rewrite check
Transition to system BIOS IRT
(
when
returned to S3)
F0B1h
Key input
”. When a key is pressed, check if it is Tilde
key or Tab key. (skipped when returned from
S3)
F0B2h
Initialization of SC
HLT at LED=B3H or B4, when error occurs
F0B6h
BIOS rewrite request check
If Checksum check error occurred on except
Boot Block or rewrite is required by user, go
to “BIOS rewrite process”.
F0B7h
Transits to System BIOS IRT
BIOS
rewrite
process
Initialization of ICH. D31
DRAM
configuration
Permission of cache (L1 cache only)
Memory
clear
Transition to real mode and copy of BIOS
to RAM
Содержание Tecra M9
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 45: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Страница 46: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 121: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 122: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 3 ...
Страница 126: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 228: ...3 Tests and Diagnostics 3 31 SETUP 3 102 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 229: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 230: ...4 Replacement Procedures 4 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 4 ...
Страница 313: ...4 24 LCD unit FL inverter 4 Replacement Procedures Jig Jig TECRA M9 Maintenance Manual 960 631 CONFIDENTIAL 4 79 ...
Страница 347: ... CONFIDENTIAL Appendices ...
Страница 348: ...Appendices App ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 354: ...Appendices App viii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 360: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 394: ...Appendices Appendix C Pin Assignments 24 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 404: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 408: ...Appendices Appendix F Wiring diagrams F 4 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 410: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 412: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 414: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...