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2.4 System Board Troubleshooting
2 Troubleshooting Procedures
Satellite 1400/2400 Series Maintenance Manual (960-364/365)
2-27
Table 2-3 Printer port LED boot mode status (1/6)
LED Status
Test item
Message
FFh
Start
Register initialization for boot block
PIT ch.0 initialization
BIOS rewrite flag initialization
Transition to protected mode
Boot block checksum
B0h
Flash ROM check
Checksum check except boot block
B1h
EC/KBC rewrite check
KBC initialization
B2h
BIOS rewrite check
BIOS rewrite request check
System BIOS rewrite
transition to IRT
System BIOS rewrite transition to IRT
BIOS rewrite process
BIOS rewrite register initialization
PIT channel 1 initialization
PIT, DMAC,PIC initialization
Memory type check
Cache bus, L2 initialization, configuration
Enabling L1 cache
Memory
clear
B3h
Protecting flash ROM area cache
Enabling FDC interruption
HW debug
B7h FDC
interruption
Display initialization
Sound controller initialization (for beep)
Message display
Key input
B8h
Sound control initialization
Reading CHGBIOS.EXE
IRT Check system
Protecting cache
Special register, Intel
®
chip set initialization
00h
IRT Check system
PIT channel 1 initialization
01h
Memory check
DRAM type and size check
02h
SM-RAM stack area test
SM-RAM stack area test
Enabling L1 cache
03h
CMOS check and
initialization
CMOS access test
Summary of Contents for Satellite 1400 Series
Page 6: ...vi Satellite 1400 2400 Maintenance Manual 960 364 365 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii Satellite 1400 2400 Maintenance Manual 960 364 365 ...
Page 47: ...Chapter 2 Troubleshooting Procedures ...
Page 48: ...2 Troubleshooting Procedures 2 ii Satellite 1400 2400 Series Maintenance Manual 960 364 365 ...
Page 52: ...2 Troubleshooting Procedures 2 vi Satellite 1400 2400 Series Maintenance Manual 960 364 365 ...
Page 109: ...Chapter 3 Tests and Diagnostics ...
Page 110: ...3 Tests and Diagnostics 3 ii Satellite 1400 2400 Series Maintenance Manual 960 364 365 ...
Page 195: ...Chapter 4 Replacement Procedures ...
Page 196: ...4 Replacement Procedures 4 ii Satellite 1400 2400 Maintenance Manual 960 364 365 ...
Page 431: ...Appendices ...
Page 432: ...Appendices App ii Satellite 1400 2400 Series Maintenance Manual 960 364 365 ...
Page 442: ...Appendices App xii Satellite 1400 2400 Series Maintenance Manual 960 364 365 ...
Page 448: ...Appendix A Handling the LCD Module A 6 Satellite 1400 2400 Maintenance Manual 960 364 365 ...
Page 508: ...Appendices Apx C Pin Assignments C 48 Satellite 1400 2400 Maintenance Manual 960 364 365 ...
Page 524: ...Appendix G BIOS Rewrite Procedures G 2 Satellite 1400 2400 Maintenance Manual 960 364 365 ...
Page 526: ...Appendix H EC KBC Rewrite Procedures H 2 Satellite 1400 2400 Maintenance Manual 960 364 365 ...
Page 528: ...Appendix I Reliability I 2 Satellite 1400 2400 Maintenance Manual 960 364 365 ...