2 Troubleshooting
2.4 System board Troubleshooting
2-24
[CONFIDENTIAL]
TECRA M4 Maintenance Manual (960-521)
Table 2-3 Debug port (Boot mode) error status (3/10)
D port status
Inspection items
Details
Initialization of MCHM
Initialization of ICH6M.D31.Func0
Initialization of ICH6M.D31.Func1
Initialization of ICH6M.D31.Func1/2
Initialization of USB controller
Initialization of ICH6M.D31.Func3
Initialization of ICH6 AC97 Audio
Initialization of H/W (before DRAM
recognition)
Initialization of TI controller
(F100h)
Initialization of PIT channel 1
(Setting the refresh interval to “30
μ
s”)
Checking DRAM type and size (at
cold boot)
When unsupported memory is connected,
the system beeps and halts.
When DRAM size = 0, halts.
F101h
Testing the stack area of SM-RAM
When it can not be used as stack area,
halts.
Configuring cache memory
Permission of L1/L2 cache
memory
Checking the access of a CMOS
(Only in Cold Boot)
When error is detected, halts
Examining the battery level of
CMOS
Checksum check of CMOS
Initializing data in CMOS (1)
Setting up of IRT status
(Setting of boot status and IRT busy flag,
The rest bits are set to 0)
F102h
Storing the size of DRAM
F103h
Branch of resuming (only in Cold
Boot)
When a CMOS error is detected, it does
not resume.
If “resume status code” is not set, no
resume occurs.
Summary of Contents for Tecra M4
Page 10: ...x CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 1 Hardware Overview ...
Page 51: ...1 Hardware Overview 1 8 AC Adapter 1 36 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Page 52: ... CONFIDENTIAL Chapter 2 Troubleshooting ...
Page 53: ...2 Troubleshooting 2 ii CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 2 ...
Page 57: ...2 Troubleshooting 2 vi CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Page 114: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 115: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Page 119: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Page 223: ...3 Tests and Diagnostics 3 30 SETUP 3 104 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Page 224: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 225: ...4 Replacement Procedures 4 ii CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 4 ...
Page 300: ...4 Replacement Procedures 4 29 Digitizer 4 70 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Page 320: ... CONFIDENTIAL Appendices ...
Page 321: ...Appendices App ii CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Page 341: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Page 379: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...
Page 387: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL TECRA M4 Maintenance Manual 960 521 ...