Toshiba TECRA, M10 manual Troubleshooting Procedures System Board Troubleshooting

2 Troubleshooting Procedures 2.4 System Board Troubleshooting

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 4.

7.When the D port status falls into any status in Table 2-4, execute Check 1.

2-22 [CONFIDENTIAL] TECRA M10 Maintenance Manual (960-685)