2 Troubleshooting Procedures
2.4 System Board Troubleshooting
Table 2-4 Debugging port boot mode status (2/7)
Debug Port
Description
0098h
Initialize USB Controller
0101h
0102h
Verify Real Mode. If the CPU is in protected mode, turn on A20 and pulse the
reset line, forcing a shutdown 0.
0103h Disable
Non-Maskable
Interrupts.
0104h
Get CPU type from CPU registers and save it.
0106h
Initialize system hardware. Reset the DMA controllers, disable the videos, clear
any pending interrupts from the real-time clock and set up port B register.
0107h
Disable system ROM shadow and start to execute ROM code from the flash part.
0108h
Initialize chip set registers to the initial values.
0109h
Set in-POST flag in CMOS that indicates we are in POST.
010Ah
Initialize CPU registers.
010Bh
010Ch Initialize
cache.
010Eh
010Fh
0110h
0111h
Load alternate registers with initial table values
0112h
Restore the contents of the CPU control word whenever the CPU is reset.
0113h
Reset PCI devices in early post
0114h
0116h
Verify that the ROM BIOS checksums to zero
0117h
Initialize external cache before autosizing memory.
0118h
Initialize PIT(Programmable Interval Timer).
011Ah Initialize
DMA.
011Ch
Initialize interrupt controllers for some shutdowns.
011Fh
0120h
Verify that DRAM refresh is operating by polling the refresh bit in PORTB.
0122h
0124h
Set segment-register addressibility to 4 GB
0128h
Determine DRAM size and configure the chipset accordingly. Before autosizing,
all caches and all shadow RAM are disabled.
2-22
Satellite M30-35 Maintenance Manual (960-455)
Содержание Satellite M35 Series
Страница 10: ...x Satellite M30 35 Maintenance Manual 960 455 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii Satellite M30 35 Maintenance Manual 960 455 ...
Страница 47: ...Chapter 2 Troubleshooting Procedures ...
Страница 48: ...2 Troubleshooting Procedures 2 ii Satellite M30 35 Maintenance Manual 960 455 ...
Страница 52: ...2 Troubleshooting Procedures 2 vi Satellite M30 35 Maintenance Manual 960 455 ...
Страница 109: ...2 14 SD Card Slot Troubleshooting 2 Troubleshooting Procedures Satellite M30 35 Maintenance Manual 960 455 2 57 ...
Страница 110: ...Chapter 3 Tests and Diagnostics ...
Страница 111: ...3 Tests and Diagnostics 3 ii Satellite M30 35 Maintenance Manual 960 455 ...
Страница 171: ...3 Tests and Diagnostics 3 27 IEEE1394 test program 3 58 Satellite M30 35 Maintenance Manual 960 455 ...
Страница 172: ...Chapter 4 Replacement Procedures ...
Страница 173: ...4 Replacement Procedures 4 ii Satellite M30 35 Maintenance Manual 960 455 ...
Страница 277: ...Appendices ...
Страница 278: ...Appendices App ii ...
Страница 284: ...Appendices App viii ...
Страница 290: ...Appendices Appendix A Handling the LCD Module A 6 Satellite M30 35 Maintenance Manual 960 455 ...
Страница 318: ...Appendices Appendix C Pin Assignment C 20 Satellite M30 35 Maintenance Manual 960 455 ...
Страница 328: ...Appendices Appendix E Key Layout E 2 Satellite M30 35 Maintenance Manual 960 455 ...
Страница 330: ...Appendices Appendix F Wiring Diagrams F 2 Satellite M30 35 Maintenance Manual 960 455 ...
Страница 332: ...Appendices Appendix G BIOS Rewrite Procedures G 2 Satellite M30 35 Maintenance Manual 960 455 ...
Страница 334: ...Appendices Appendix I Reliability I 2 Satellite M30 35 Maintenance Manual 960 455 ...