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
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.
Read 1 sector of the root directory
Reading CHGBIOSA.EXE /
CHGFIRMA.EXE
directory start header and calculates the
sector
Reading of EXE header of
“CHGBIOSA.EXE” and
“CHGFIRMA.EXE”, key input
when error occurred.
Retrieval of entry of “CHGBIOSA.EXE”
/“CHGFIRMA.EXE” from the sector read.
F009h
Execution of “CHGBIOSA.EXE”
and “CHGFIRMA.EXE”
F100h
Prohibition of cache
Initialization of MCHM
Initialization of ICH4M.D31.Func0
Initialization of ICH4M.D31.Func1
Initialization of USB.Func0,1,2,7
Initialization of ICH4M.D31.Func3
Initialization of ICH4M.D31.Func5
Initialization of H/W (before
DRAM recognition)
Initialization of TI
Initialization of PIT channel 1
(Setting the refresh interval
“30
µ
s”)
QOSMIO E10 Maintenance Manual (960-492)
2-21
Содержание Qosmio E10
Страница 1: ...1 Toshiba Personal Computer QOSMIO E10 Maintenance Manual TOSHIBA CORPORATION File Number 960 492 ...
Страница 10: ...x QOSMIO E10 Maintenance Manual 960 492 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 Hardware Overview 1 ii QOSMIO E10 Maintenance Manual 960 492 ...
Страница 41: ...Chapter 2 Troubleshooting Procedures ...
Страница 42: ...2 Troubleshooting Procedures 2 2 ii QOSMIO E10 Maintenance Manual 960 492 ...
Страница 46: ...2 Troubleshooting Procedures 2 vi QOSMIO E10 Maintenance Manual 960 492 ...
Страница 106: ...2 14 TV tuner Troubleshooting 2 Troubleshooting Procedures QOSMIO E10 Maintenance Manual 960 492 2 59 ...
Страница 107: ...Chapter 3 Tests and Diagnostics ...
Страница 108: ...3 Tests and Diagnostics 3 ii QOSMIO E10 Maintenance Manual 960 492 ...
Страница 112: ...3 Tests and Diagnostics 3 vi QOSMIO E10 Maintenance Manual 960 492 ...
Страница 203: ...Chapter 4 Replacement Procedures ...
Страница 204: ...4 Replacement Procedures 4 4 ii QOSMIO E10 Maintenance Manual 960 492 ...
Страница 297: ...Appendices ...
Страница 298: ...Appendices App ii QOSMIO E10 Maintenance Manual 960 492 ...
Страница 311: ...Appendices Apx A Handling the LCD Module A 6 QOSMIO E10 Maintenance Manual 960 492 ...
Страница 355: ...Appendices Apx C Pin Assignment C 34 QOSMIO E10 Maintenance Manual 960 492 ...
Страница 365: ...Appendices Apx E Key Layout E 2 QOSMIO E10 Maintenance Manual 960 492 ...
Страница 367: ...Appendices Apx F Wiring Diagrams F 2 QOSMIO E10 Maintenance Manual 960 492 ...
Страница 369: ...Appendices Appendix G BIOS Rewrite Procedures G 2 QOSMIO E10 Maintenance Manual 960 492 ...
Страница 371: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 QOSMIO E10 Maintenance Manual 960 492 ...
Страница 373: ...Appendices Apx I Reliability I 2 QOSMIO E10 Maintenance Manual 960 492 ...