System Board Troubleshooting - Toshiba Tecra M4 Maintenance Manual

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2.4 System board Troubleshooting

This section describes how to determine if the System board is defective. Start with Procedure

1 and continue with the other procedures as instructed. The procedures described in this

section are:

Procedure 1: Message Check

Procedure 2: Debug port (D port) Check on Boot Mode

Procedure 3: Diagnostic Test Program Execution Check

Procedure 4: Replacement Check

TECRA M4 Maintenance Manual (960-521)

[CONFIDENTIAL]

2 Troubleshooting

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