Toshiba PORTEGE M400 Maintenance Manual page 68

2 Troubleshooting
5. Execute GETDPORT.COM in the text menu in CPU REAL mode. (Insert the FD for
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
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starting D port into FDD and input "FD starting drive:>dport".)
The D port status is displayed in the following form;
[CONFIDENTIAL]
2.4 System board Troubleshooting
PORTEGE M400 Maintenance Manual (960-541)