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2 Troubleshooting Procedures
2.4 System Board Troubleshooting
Procedure 2
Debugging Port Check (Boot Mode)
Check the D port status by a debug port test. The tool for debug port test is shown below.
Figure 2-1 A set of tool for debug port test
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;
6.
When the D port status is FFFFh (normal status), go to Procedure 4.
When the D port status falls into any status in Table 2-4, execute Check 1.
2-22
[CONFIDENTIAL]
PORTÉGÉ M500 Maintenance Manual (960-559)
Summary of Contents for Portege M500
Page 10: ...x CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 38: ...1 Hardware Overview 1 8 AC Adapter 1 24 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 39: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 40: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 115: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 116: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 3 ...
Page 120: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 224: ...3 Tests and Diagnostics 3 30 SETUP 3 104 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 225: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Page 226: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 230: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 319: ... CONFIDENTIAL Appendices ...
Page 320: ...Appendices App ii CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 336: ...Appendices Appendix B Board Layout B 6 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 366: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...
Page 374: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTÉGÉ M500 Maintenance Manual 960 559 ...