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2.4
System
Board Troubleshooting
2 Troubleshooting
Portege M200 Maintenance Manual (960-457)
2-25
Table 2-3 D port status (4/7)
D port
status
Details
Remarks
F104h
Initializing SMRAM
Checking factor of WakeUp
Rewriting SMRAM base and storing CPU state
map for BIOS
Enabling SMI by ASMI
F106h
Initializing devices which need initialization before
initializing PCI bus
Testing (only on COLD booting) and Initializing PIT
Setting test pattern to channel 0 of PIT#0
Checking whether the test pattern can be read
Initializing PIT channel 0 (Interval of timer interrupt
-> 55ms)
Initializing PIT channel 2 (frequency for sound
generator ->
664Hz
)
Testing PIT channel 1(checks whether the refresh
signal operates correctly in refresh interval of 30
micro seconds)
HALT when time out occurs.
Testing PIT channel 2 ( checks whether the
speaker gate operates correctly)
Measuring CPU clock
Enabling SMIs except auto-off function
Control of battery discharging current
Performing timeshared process for time
measurement of IRT
Initializing CPU
Updating P6 micro-code
Enabling or disabling function of processor
serial number ID
Checking whether Geyserville is supported
Switching CPU clock speed to high
Setting Graphics Aperture Size
Summary of Contents for M200 - Portege - Pentium M 1.5 GHz
Page 9: ...Portege M200 Maintenance Manual 960 457 ix Appendix H Key FD H 1 ...
Page 10: ...x Portege M200Maintenance Manual 960 457 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii Portege M200 Maintenance Manual 960 457 1 Hardware Overview ...
Page 33: ...Chapter 2 Troubleshooting Procedures ...
Page 34: ...2 Troubleshooting Procedures 2 ii Portege M200 Maintenance Manual 960 457 2 ...
Page 38: ...2 Troubleshooting Procedures 2 vi Portege M200 Maintenance Manual 960 457 ...
Page 97: ...Chapter 3 Tests and Diagnostics ...
Page 98: ...3 Tests and Diagnostics 3 ii Portege M200 Maintenance Manual 960 457 3 ...
Page 184: ...Chapter 4 Replacement Procedures ...
Page 185: ...4 Replacement Procedures 4 ii Portege M200 Maintenance Manual 960 457 4 ...
Page 189: ...4 Replacement Procedures 4 vi Portege M200 Maintenance Manual 960 457 ...
Page 258: ...Appendices ...
Page 259: ...Appendices App ii Portege M200 Maintenance Manual 960 457 ...
Page 265: ...Appendices App viii Portege M200 Maintenance Manual 960 457 ...
Page 271: ...Appendices Apx A Handling the LCD Module A 6 Portege M200 Maintenance Manual 960 457 ...
Page 279: ...Appendices Apx B Board Layout B 8 Portege M200 Maintenance Manual 960 457 ...
Page 309: ...Appendices Apx C Pin Assignment C 30 Portege M200 Maintenance Manual 960 457 ...
Page 319: ...Appendices Apx E Key Layout E 2 Portege M200 Maintenance Manual 960 457 ...
Page 321: ...Appendices Apx F BIOS KBC EC Update F 2 Portege M200 Maintenance Manual 960 457 ...
Page 323: ...Appendices Apx G Reliability G 2 Portege M200 Maintenance Manual 960 457 ...
Page 325: ...Appendices Apx H Key FD H 2 Portege M200 Maintenance Manual 960 457 ...