Troubleshooting Procedures
2.4.2 Procedure 2 Debugging Port Check
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
1.
Not a Serial Port model should connect a debug port test cable to connector CN3110
of a system board.( W3270 open)
2.
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.
7.
When the D port status falls into any status in Table 2-4, execute Check 1.
2-26
[CONFIDENTIAL]
PORTEGE M780 Maintenance Manual (960-809)
Содержание Portege M780
Страница 11: ...1 Hardware Overview PORTEGE M780 Maintenance Manual 960 809 CONFIDENTIAL 1 1 Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 44: ...Troubleshooting Procedures 2 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 2 ...
Страница 113: ...Tests and Diagnostics PORTEGE M780 Maintenance Manual 960 809 CONFIDENTIAL 3 1 Chapter 3 Tests and Diagnostics ...
Страница 114: ...Tests and Diagnostics 3 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 3 ...
Страница 206: ...Tests and Diagnostics 3 94 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 Advanced menu screen Exit menu screen ...
Страница 304: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 305: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ M780 Maintenance Manual 960 809 4 ...
Страница 415: ... CONFIDENTIAL Appendices ...
Страница 416: ...Appendices App ii CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 436: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 478: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 480: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 482: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...
Страница 484: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE M780 Maintenance Manual 960 809 ...