Toshiba Tecra M4 Maintenance Manual page 78

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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.

TECRA M4 Maintenance Manual (960-521)

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2 Troubleshooting

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