2.4 System Board Troubleshooting
2 Troubleshooting Procedures
PORTÉGÉ M500 Maintenance Manual (960-559)
[CONFIDENTIAL]
2-23
Table 2-4 Debug port (Boot mode) error status (1/10)
D port status
Inspection items
Details
Permission of A20 and Clear of
software reset bit
Prohibition of APIC
Initialization of MCH and ICH
Initialization of Super I/O
Initialization of debug port
Dummy read of 3rd Bus data
Boot block
Setting of printer port
BTBK_START
Only PIT CH0 initialization
(for HOLD_ON)
BIOS rewrite factor flag initialization
Transition to protected mode
Boot block checksum (skip when returned to S3)
(halts when error)
F000H
CHECK SUM CHECK
Checksum other than boot block (skip when
returned to S3)
BTBK_CALC_CHKSUM_END
EC/KBC rewrite check
If “rewrite” is requested, go to “BIOS rewrite
process”
Key input
F001H
When a key is pressed, check if it is
Tilde key or Tab key
BTBK_INI_SC_START
F002H
Initialization of SC
F003H
BTBK_INI_SC_ERR
F004H
BTBK_SC_HW_FAILURE
BTBK_INI_KBC_END
F005H
BIOS rewrite request check
If Checksum check error occurred on except
Boot Block or rewrite is required by user, go to
“BIOS rewrite process”.
BTBK_ENTER_CHK_BIOS_SIGN
F006H
BIOS signature check
BTBK_ENTER_SYSTEM_BIOS
Transits to System BIOS IRT
F007H
BIOS rewrite process
Initialization of ICHM. D31
Содержание Portege M500
Страница 10: ...x CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 38: ...1 Hardware Overview 1 8 AC Adapter 1 24 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 39: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Страница 40: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 115: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 116: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 3 ...
Страница 120: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 224: ...3 Tests and Diagnostics 3 30 SETUP 3 104 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 225: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Страница 226: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 230: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 319: ... CONFIDENTIAL Appendices ...
Страница 320: ...Appendices App ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 330: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 336: ...Appendices Appendix B Board Layout B 6 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 366: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 368: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 370: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 372: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Страница 374: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...