Toshiba PORTEGE M400 Maintenance Manual page 172

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2 Troubleshooting

D port status

Start of BIOS security check

End of BIOS security check

Clear of IRT status, renewal

of check sum of Runtime

If the D port is status F11Eh or F120h is displayed, go to "HDD Trouble shooting

Procedure in Section 2.6.

If any other D port status error code is displayed, perform Procedure 3.

D port error code is as follows:

F003h or F004h

[CONFIDENTIAL]

Table 2-3 Debug port (Boot mode) error status (10/10)

Inspection items

SC initialization error

BIOS update error

Exception check error

Clock generator error

BIOD security error

2.4 System board Troubleshooting

When error occurred, holts at D port=F166h

PORTEGE M400 Maintenance Manual (960-541)

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