2 Troubleshooting Procedures
2.4 System Board Troubleshooting
Table 2-4 Debug port (Boot mode) error status (1/8)
D port status
Inspection items
Details
Permission of A20 and Clear of
software reset bit
Prohibition of APIC
Initialization of MCHM, ICHM
Initialization of Super I/O
Initialization of debug port
Dummy read of 3
rd
Bus data
PIT CH0 initialization (for
HOLD_ON)
BIOS rewrite factor flag
initialization
Transition to protected mode
Boot block checksum (halts when error)
F000h
CHECK SUM CHECK
Checksum other than boot block (skip
when returned to S3)
F001h
EC/KBC rewrite check
If “rewrite” is requested, go to
“BIOS rewrite process”.
Transition of process to System
BIOS IRT when returned to S3)
Key input
Check of Tilde key, Tab key if a key is
pressed
F005h
BIOS rewrite request check
BIOS rewrite request check if
Checksum check error occurred
on except Boot Block or rewrite is
required by user. “BIOS rewrite
process”.
Transits to System BIOS IRT.
Initialization of ICHM. D31
DRAM configuration
Permission of cache (L1 cache only)
Memory clear
F007h
BIOS rewrite
Transition to real mode and copy of BIOS
to RAM
2-20
QOSMIO E10 Maintenance Manual (960-492)
Summary of Contents for Qosmio E10
Page 10: ...x QOSMIO E10 Maintenance Manual 960 492 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 Hardware Overview 1 ii QOSMIO E10 Maintenance Manual 960 492 ...
Page 41: ...Chapter 2 Troubleshooting Procedures ...
Page 42: ...2 Troubleshooting Procedures 2 2 ii QOSMIO E10 Maintenance Manual 960 492 ...
Page 46: ...2 Troubleshooting Procedures 2 vi QOSMIO E10 Maintenance Manual 960 492 ...
Page 107: ...Chapter 3 Tests and Diagnostics ...
Page 108: ...3 Tests and Diagnostics 3 ii QOSMIO E10 Maintenance Manual 960 492 ...
Page 112: ...3 Tests and Diagnostics 3 vi QOSMIO E10 Maintenance Manual 960 492 ...
Page 203: ...Chapter 4 Replacement Procedures ...
Page 204: ...4 Replacement Procedures 4 4 ii QOSMIO E10 Maintenance Manual 960 492 ...
Page 297: ...Appendices ...
Page 298: ...Appendices App ii QOSMIO E10 Maintenance Manual 960 492 ...
Page 311: ...Appendices Apx A Handling the LCD Module A 6 QOSMIO E10 Maintenance Manual 960 492 ...
Page 355: ...Appendices Apx C Pin Assignment C 34 QOSMIO E10 Maintenance Manual 960 492 ...
Page 365: ...Appendices Apx E Key Layout E 2 QOSMIO E10 Maintenance Manual 960 492 ...
Page 367: ...Appendices Apx F Wiring Diagrams F 2 QOSMIO E10 Maintenance Manual 960 492 ...
Page 369: ...Appendices Appendix G BIOS Rewrite Procedures G 2 QOSMIO E10 Maintenance Manual 960 492 ...
Page 371: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 QOSMIO E10 Maintenance Manual 960 492 ...
Page 373: ...Appendices Apx I Reliability I 2 QOSMIO E10 Maintenance Manual 960 492 ...