2.4 System Board Troubleshooting
2 Troubleshooting Procedures
Table 2-4 D port status (3/8)
LED Status
Test item
Message
Check of DRAM type and size
Check of DRAM type and size (at Cold boot)
When supporting memory is connected, becoming HLT
after beep sound
01h
SM-RAM stack area test
Test of SM-RAM stuck area
HLT when DRAM size is 0
Cache configuration
Cache permission
CMOS access test (at Cold Boot) (HLT when an error is
detected.)
CMOS access test
Battery level check of CMOS
CMOS checksum check
Initialization of CMOS data (1)
Setting of IRT status (Boot status, the remaining bit is 0.)
02h
CMOS checksum check
Storing DRAM size in CMOS
Resume branch (at Cold Boot)
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 74H)
SM-RAM checksum check (Resume error 73H)
Check of memory configuration change (Resume
error 73H)
RAM area checksum check in system BIOS (Resume
error 79H)
Expansion memory checksum check resume error
(Resume error 76H)
PnP RAM checksum check (Resume error 77H)
Transition to RESUME-MAIN
Resume error process
Reset of CPU clock to low
Prohibition of all SMI
Clearance of resume status
Return to ROM
Turning area of C0000h to EFFFFh to PCI (Prohibition
of DRAM)
Setting of resume error request
03h
SM-RAM stack area test
ROM/RAM copy of system BIOS (HLT when copied
BIOS checksum error)
PORTEGE S100 Maintenance Manual (960-508)
2-21
Содержание Portege S100 Series
Страница 1: ...Toshiba Personal Computer PORTEGE S100 Maintenance Manual TOSHIBA CORPORATION File Number 960 508 ...
Страница 10: ...x PORTEGE S100 Maintenance Manual 960 508 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 25: ...1 2 2 5 inch Hard Disk Drive 1 Hardware Overview PORTEGE S100 Maintenance Manual 960 508 1 11 ...
Страница 36: ...Chapter 2 Troubleshooting Procedures ...
Страница 37: ...2 Troubleshooting Procedures 2 ii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 41: ...2 Troubleshooting Procedures 2 vi PORTEGE S100 Maintenance Manual 960 508 ...
Страница 92: ...Chapter 3 Tests and Diagnostics ...
Страница 93: ...3 Tests and Diagnostics 3 3 ii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 116: ...3 4 Setting of the hardware configuration 3 Tests and Diagnostics PORTEGE S100 Maintenance Manual 960 508 3 19 ...
Страница 199: ...3 31 SETUP 3 Tests and Diagnostics PORTEGE S100 Maintenance Manual 960 508 3 101 ...
Страница 212: ...3 Tests and Diagnostics 3 31 SETUP 3 114 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 213: ...Chapter 4 Replacement Procedures ...
Страница 214: ...4 Replacement Procedures 4 ii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 218: ...4 Replacement Procedures 4 vi PORTEGE S100 Maintenance Manual 960 508 ...
Страница 310: ...4 Replacement Procedure 4 29 Fluorescent Lamp 4 92 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 311: ...Appendices ...
Страница 312: ...Appendices App ii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 318: ...Appendices App viii PORTEGE S100 Maintenance Manual 960 508 ...
Страница 324: ...Appendices Appendix A Handling the LCD Module A 6 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 330: ...Appendices Appendix B Board Layout B 6 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 356: ...Appendices Appendix C Pin Assignments C 26 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 366: ...Appendices Appendix E Key Layout E 2 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 368: ...Appendices Appendix F Wiring diagrams F 2 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 370: ...Appendices Appendix G BIOS rewrite procedures G 2 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 372: ...Appendices Appendix H EC KBC rewrite procedures H 2 PORTEGE S100 Maintenance Manual 960 508 ...
Страница 374: ...Appendices Appendix I Reliability I 2 PORTEGE S100 Maintenance Manual 960 508 ...