2.4 System Board Troubleshooting
2 Troubleshooting Procedures
PORTEGE A100 Maintenance Manual (960-460)
2-19
Procedure 2
Debug Port (D port) Check on Boot Mode
Check the D port status by a debug port test. The tool for debug port test is shown below.
Figure 2-2 A set of tool for debug port test
The test procedures are follows:
1.
Connect the debug test cable to the connector PJ325 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 results.
PJ2000
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 3.
7.
When the D port status falls into any status in Table 2-3, execute Check 1.
Summary of Contents for A100 VA3 - Satellite - Pentium Dual Core 1.6 GHz
Page 10: ...Chapter 1 Hardware Overview ...
Page 11: ...1 Hardware Overview 1 ii PORTEGE A100 Maintenance Manual 960 460 1 Hardware Overview ...
Page 36: ...Chapter 2 Troubleshooting Procedures ...
Page 37: ...2 Troubleshooting Procedures 2 ii PORTEGE A100 Maintenance Manual 960 460 2 ...
Page 41: ...2 Troubleshooting Procedures 2 vi PORTEGE A100 Maintenance Manual 960 460 ...
Page 96: ...Chapter 3 Tests and Diagnostics ...
Page 97: ...3 Tests and Diagnostics 3 ii PORTEGE A100 Maintenance Manual 960 460 3 ...
Page 112: ...3 4 System Test 3 Tests and Diagnostics PORTEGE A100 Maintenance Manual 960 460 3 13 ...
Page 182: ...Chapter 4 Replacement Procedures ...
Page 183: ...4 Replacement Procedures 4 ii PORTEGE A100 Maintenance Manual 960 460 4 ...
Page 249: ...4 Replacement Procedures 4 25 Fluorescent lamp 4 62 PORTEGE A100 Maintenance Manual 960 460 ...
Page 265: ...Appendices ...
Page 266: ...Appendices App ii PORTEGE A100 Maintenance Manual 960 460 ...
Page 272: ...Appendices App viii PORTEGE A100 Maintenance Manual 960 460 ...
Page 278: ...Appendices Apx A Handling the LCD Module A 6 PORTEGE A100 Maintenance Manual 960 460 ...
Page 316: ...Appendices Apx E Key Layout E 2 PORTEGE A100 Maintenance Manual 960 460 ...
Page 318: ...Appendices Apx F BIOS KBC EC Update F 2 PORTEGE A100 Maintenance Manual 960 460 ...
Page 320: ...Appendices Apx G Reliability G 2 PORTEGE A100 Maintenance Manual 960 460 ...
Page 322: ...Appendices Apx H Key FD H 2 PORTEGE A100 Maintenance Manual 960 460 ...