Check 3 - Toshiba 650CT Maintenance Manual

2.10 Docking Adapter
This section describes how to determine if the Docking Adapter is functioning properly.
Perform the steps below starting with Procedure 1 and continue with the other procedure as
required.
Procedure 1:
Procedure 2:
Procedure 1 Diagnostic Test Program Execution Check
There is no test specifically for the Docking Adapter, so run the test program for the En-
hanced Port Replicator II, or for the Desk Station V Plus. Both programs are stored on the
computer's Diagnostics Disk. Insert the Diagnostics Disk in the FDD, turn on the computer,
and run the test. If an error is detected, go to Procedure 2. Refer to Chapter 3, Tests and
Diagnostics, for details.
Procedure 2 Connector Check and Replacement Check
The Docking Adapter connects directly to the system board. If there appears to be a malfunc-
tion, the connection might not be secure, or the connector on the computer or Docking
Adapter might be damaged. Perform the following checks:
Check 1 Make sure the connection between the computer and Docking Adapter is secure.
If there is still a problem, go to Check 2.
Check 2 The interface connector board might be damaged. Replace it with a new one.
Refer to Chapter 4, Replacement Procedures. If there is still a problem, go to

Check 3.

Check 3 The system board might be damaged. Replace it with a new one. Refer to Chapter
4, Replacement Procedures. If there is still a problem, go to Check 4.
Check 4 The I/O board might be damaged. Replace it with a new one. Refer to Chapter 4,
Replacement Procedures.
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Diagnostic Test Program Execution Check
Connector Check and Replacement Check
650CT