Lenovo ThinkServer RD120 User Manual download pdf (Page 76)

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See the parts listing in the Hardware Maintenance Manual to determine which components are customer

replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Symptom Action

A serial device does not work.

1. Make sure that:

v The device is compatible with the server.

v The serial port is enabled and is assigned a unique address.

v The device is connected to the correct connector (see “Rear view” on page

35).

2.

Reseat the following components:

a. Failing serial device

b. Serial cable

c. Remote Supervisor Adapter II SlimLine (if one is present)

3.

Replace the following components one at a time, in the order shown, restarting

the server each time:

a. Failing serial device

b. Serial cable

c. Remote Supervisor Adapter II SlimLine (if one is present)

d. (Trained service technician only) System board

Software problems

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See the parts listing in the Hardware Maintenance Manual to determine which components are customer

replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Symptom Action

You suspect a software

problem.

1. To determine whether the problem is caused by the software, make sure that:

v The server has the minimum memory that is needed to use the software. For

memory requirements, see the information that comes with the software. If

you have just installed an adapter or memory, the server might have a

memory-address conflict.

v The software is designed to operate on the server.

v Other software works on the server.

v The software works on another server.

2.

If you received any error messages when using the software, see the

information that comes with the software for a description of the messages and

Lenovo ThinkServer RD120 User Manual Page 76

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Lenovo ThinkServer RD120 User Manual Page 76

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