2.4 System Board Troubleshooting
2 Troubleshooting Procedures
Procedure 2
Debugging Port Check (Boot Mode)
Check the D port status by a serial port test. The tool for serial port test is shown below.
Figure 2-2 Debug port (Boot mode) error status
The test procedures are follows:
1.
Connect the debug port test cable to the connector CN3490 of the system board. For
disassembling to connect the test cable, refer to Chapter 4.
2.
Connect the debug port test cable and RS-232C cross-cable to the test board.
3.
Connect the RS-232C Cross-cable to the PC that displays the test results.
4.
Boot the computer in MS-DOS mode.
5.
Execute GETDPORT.COM in the text menu in CPU REAL mode. (Insert the FD for
starting D port into FDD and input “FD starting drive:>dport”.)
The D port status is displayed in the following form;
PORTEGE A600 Maintenance Manual (960-710) [CONFIDENTIAL]
2-21
Summary of Contents for Portege A600
Page 10: ...x CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 ...
Page 41: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 42: ...Troubleshooting Procedures 2 ii CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 2 ...
Page 46: ...Troubleshooting Procedures 2 vi CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 ...
Page 119: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 120: ...Tests and Diagnostics 3 ii CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 3 ...
Page 124: ...Tests and Diagnostics 3 vi CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 ...
Page 208: ...Tests and Diagnostics 3 84 CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 ...
Page 223: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Page 224: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ A600 Maintenance Manual 960 710 ...
Page 228: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ A600 Maintenance Manual 960 710 ...
Page 313: ... CONFIDENTIAL Appendices ...
Page 314: ...Appendices App ii CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 ...
Page 324: ...Appendices App xii CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 ...
Page 348: ...Appendices Appendix B Board Layout B 18 CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 ...
Page 406: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE A600 Maintenance Manual 960 710 ...