Toshiba PORTEGE M400 User Manual

Page 68

2 Troubleshooting

2.4 System board Troubleshooting

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.

2-20

[CONFIDENTIAL]

PORTEGE M400 Maintenance Manual (960-541)