2.4 System Board Troubleshooting
2 Troubleshooting Procedures
TECRA M5 Maintenance Manual (960-542)
[CONFIDENTIAL]
2-23
Table 2-5 Printer port LED boot mode status (3/9)
LED Status
Test item
Message
Prohibition of cache
Permission of L1/L2 cache in
FlashROM area
Initialization of H/W (before
DRAM recognition)
Initialization of MCH
Initialization
of
ICH.D30.Func0
Initialization
of
ICH.D31.Func0
Initialization
of
ICH.D31.Func1/2
Initialization of USB Controller
Initialization
of
ICH.D31.Func3
Initialization of ICH Audio
00h
Initialization of TI Controller
Initialization of PIT channel 1
(Setting the refresh interval to “30
μ
s”)
Check of DRAM type and size
(at cold boot)
When unsupported memory is connected, becoming
HLT after beep sound
01h
SM-RAM stack area test
HLT when DRAM size is 0
HLT When it can not be used as a stack
Cache configuration
Cache permission
CMOS access test
(at cold boot)
(HLT when an error is detected)
Battery level check of CMOS
CMOS checksum check
Initialization of CMOS data (1)
Setting of IRT status
(Setting of boot status and IRT busy flag, The rest bits
are 0)
02h
Storing DRAM size in CMOS
Not resume when a CMOS error occurred
Not resume when resume status code is not set
Resume error check
S3 returning error (1CH) (Resume error LED=7AH)
SM-RAM checksum check (Resume error
LED=73H)
Check of memory configuration change (Resume
error LED=73H)
03h
Resume branch (at cold boot)
RAM area checksum check in system BIOS
(Resume error LED=79H)
Содержание TECRA M5
Страница 10: ...x CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 48: ...1 Hardware Overview 1 13 AC Adapter 1 34 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 49: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Страница 50: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 125: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 126: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 3 ...
Страница 130: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 231: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Страница 232: ...4 Replacement Procedures 4 ii CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 328: ...4 Replacement Procedure 4 32 Fluorescent Lamp 4 92 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 329: ... CONFIDENTIAL Appendices ...
Страница 330: ...Appendices App ii CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 342: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 350: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 380: ...Appendices Appendix C Pin Assignments C 30 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 390: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 392: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 394: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 396: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...
Страница 398: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL TECRA M5 Maintenance Manual 960 542 ...