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2.4 System Board Troubleshooting
2 Troubleshooting Procedures
Table 2-4 Debug port (Boot mode) error status (2/8)
D port status
Inspection items
Details
Saving key scan code
Setting TASK_1ms_TSC
Controlling fan
Enabling system speaker
Releasing mute
Initializing sound items
(for BEEP)
Making the volume max.
When request BIOS, EC/KBC
rewriting
Blinks green (cycle:2s, on:1s, off:1s)
When BIOS ROM abnormal
Blinks orange (cycle:2s, on:1s, off:1s)
Key input
Prohibition of USB
BEEP
Waiting for key input
FDC reset
Setting parameters for 2HD(1.44MB)
Reading of first sector, If it is the data of
1.44MB (2HD), the media type is definite.
Setting of parameters for 2DD (720KB)
Retrieval of “CHGBIOSA.EXE” from the root
directory.
Directory start header and calculates the
sector
Reading CHGBIOSA.EXE /
CHGFIRMA.EXE
Read 1 sector of the root directory
Retrieval of entry of “CHGBIOSA.EXE”
/“CHGFIRMA.EXE” from the sector read.
F005h
Reading of EXE header of
“CHGBIOSA.EXE” and
“CHGFIRMA.EXE”
(Key input when error occurred.)
Execution of “CHGBIOSA.EXE”
and “CHGFIRMA.EXE”
IRT
F100h
Prohibition of cache
Initialization of MCHM
Initialization of ICH6M.D31.Func0
Initialization of ICH6M.D31.Func1
Initialization of USB.Func0,1,2,7
Initialization of ICH6M.D31.Func3
Initialization of ICH6M.D31.Func5
Initialization of H/W
(before DRAM recognition)
Initialization of FLUTE
Initialization of PIT channel 1
(Setting the refresh interval “30
µ
s”)
2-22 [CONFIDENTIAL]
QOSMIO G20 Maintenance Manual (960-511)
Содержание QOSMIO G20 Series
Страница 10: ...x CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 11: ...Chapter 1 Hardware Overview CONFIDENTIAL ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 38: ...1 9 AC Adapter 1 Hardware Overview 1 24 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 39: ...Chapter 2 Troubleshooting Procedures CONFIDENTIAL ...
Страница 40: ...2 2 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 44: ...2 vi CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 113: ...Chapter 3 Tests and Diagnostics CONFIDENTIAL ...
Страница 114: ...3 Tests and Diagnostics 3 3 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 223: ...3 Tests and Diagnostics 3 32 SETUP QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL 3 105 ...
Страница 236: ...3 32 SETUP 3 Tests and Diagnostics 3 118 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 237: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Страница 238: ...4 Replacement Procedures 4 4 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 331: ...Appendices CONFIDENTIAL ...
Страница 332: ...App ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 347: ...Appendix A Handling the LCD Module A 6 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 354: ...Appendix B Board Layout B 4 SD board QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL B 7 ...
Страница 360: ...Appendix B Board Layout B 9 TV antenna board QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL B 13 ...
Страница 408: ...E 2 United Kingdom UK Keyboard Appendix E Key Layout E 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 410: ...F 2 LAN loopback Connector Appendix F Wiring Diagrams F 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 412: ...Appendix G BIOS Rewrite Procedures G 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Страница 416: ...Appendix I Reliability I 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...