2.4 System Board Troubleshooting | 2 Troubleshooting Procedures |
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 2-2 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
3.Connect the
4.Boot the computer in
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
8.
QOSMIO G50 Maintenance Manual | [CONFIDENTIAL] |