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2.4 System Board Troubleshooting
2 Troubleshooting Procedures
TECRA M1 Maintenance Manual (960 -436)
2-23
Table 2-3 Printer port LED boot mode status (4/8)
LED Status
Test item
Message
(Initialization of a device which
needs initialization before
initialization of PCI bus)
Test of PIT CH2 (Check whether the speaker gate is
working properly.)
Measuring of CPU clock
Enabling SMI except for auto-off function
Control of battery discharge current (10mA)
Division process of measuring IRT time
Setting for clock generator
Check of parameter block A
CPU initialization
Update of micro code
Check of Geyserville support
Setting of CPU clock to high
(05H)
Setting of Graphics Aperature Size
Storing memory configuration in
buffer
Reading EC version
Update of flash ROM type
Evaluation of destination
(home/overseas) by DMI data
Setting default when a CMOS
default error (Bad Battery, Bad
Checksum (ROM, CMOS))
occurred
Initialization of ACPI table (for
executing an option ROM)
AC’97 control
Initialization of temperature control information
KBC initialization
VGA display off and reset control
Sound initialization
Acquisition of status
HC initialization, Recognition of USB device connection
and initialization
Initialization of a device that needs
initialization before PCI bus
initialization
Control of interval LAN enable/disable
PIC initialization
06H
PIC test
Summary of Contents for Tecra M1
Page 1: ...Toshiba Personal Computer TECRA M1 Maintenance Manual TOSHIBA CORPORATION File Number 960 436 ...
Page 6: ...vi TECRA M1 Maintenance Manual 960 436 ...
Page 10: ...x TECRA M1 Maintenance Manual 960 436 3 29 SETUP 3 78 ...
Page 13: ...TECRA M1 Maintenance Manual 960 436 xiii ...
Page 14: ...Chapter 1 Hardware Overview ...
Page 15: ...1 Hardware Overview 1 ii TECRA M1 Maintenance Manual 960 436 ...
Page 32: ...1 2 System Unit Block Diagram 1 Hardware Overview TECRA M1 Maintenance Manual 960 436 1 15 ...
Page 54: ...Chapter 2 Troubleshooting Procedures ...
Page 55: ...2 Troubleshooting Procedures 2 ii TECRA M1 Maintenance Manual 960 436 ...
Page 58: ...2 Troubleshooting Procedures TECRA M1 Maintenance Manual 960 436 2 v ...
Page 60: ...2 Troubleshooting Procedures TECRA M1 Maintenance Manual 960 436 2 vii ...
Page 123: ...Chapter 3 Tests and Diagnostics ...
Page 124: ...3 Tests and Diagnostics 3 ii TECRA M1 Maintenance Manual 960 436 ...
Page 224: ...3 Tests and Diagnostics 3 29 SETUP 3 96 TECRA M1 Maintenance Manual 960 436 ...
Page 225: ...Chapter 4 Replacement Procedures ...
Page 226: ...4 Replacement Procedures 4 ii TECRA M1 Maintenance Manual 960 436 ...
Page 309: ......
Page 327: ...4 Replacement Procedure 4 25 Fluorescent Lamp 4 90 TECRA M1 Maintenance Manual 960 436 ...
Page 330: ...4 25 Fluorescent Lamp 4 Replacement Procedure TECRA M1 Maintenance Manual 960 436 4 93 ...
Page 349: ...Appendices ...
Page 350: ...Appendices App ii ...
Page 362: ...Appendices Appendix A Handling the LCD Module A 6 TECRA M1 Maintenance Manual 960 436 ...
Page 368: ...Appendices Appendix B Board Layout B 6 TECRA M1 Maintenance Manual 960 436 F VR3000 Volume ...
Page 395: ...Appendices Apx C Pin Assignments C 24 TECRA M1 Maintenance Manual 960 436 123 NC 124 B3V ...
Page 401: ...Appendices Apx C Pin Assignments C 30 TECRA M1 Maintenance Manual 960 436 41 FL P5V ...
Page 408: ...Appendix C Pin Assignments Appendices TECRA M1 Maintenance Manual 960 436 C 37 ...
Page 418: ...Appendices Appendix E Key Layout E 2 TECRA M1 Maintenance Manual 960 436 ...
Page 422: ...Appendices Appendix G BIOS Rewrite Procedures G 2 TECRA M1 Maintenance Manual 960 436 ...
Page 424: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 TECRA M1 Maintenance Manual 960 436 ...
Page 426: ...Appendices Appendix I Reliability I 2 TECRA M1 Maintenance Manual 960 436 ...