Chapter 11. Replacing FRUs (Type 4155, 4158, 4218)
Important
Before you replace any FRU, read Chapter 2 “Safety information” on page 3. These precautions and
guidelines will help you work safely.
FRU replacements are to be done by trained service technicians only.
This chapter does not contain a remove and replace procedure for all FRUs. Only the major FRUs are
documented.
Locating controls and connectors on the front of your computer
The following illustration shows the location of the controls and connectors on the front of your computer.
Note:
Not all computer models will have the following controls and connections.
1
USB connector
4
USB connector
2
Microphone connector
5
IEEE 1394 connector
3
Headphone connector
Rear connectors
The following illustration shows the locations of the connectors on the rear of the computer.
© Copyright Lenovo 2008, 2010
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Summary of Contents for 4157 - ThinkStation S20 - 2 GB RAM
Page 1: ...ThinkStation Hardware Maintenance Manual Machine Type 4105 4155 4157 4158 4217 4218 ...
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Page 93: ...Chapter 10 Replacing FRUs Type 4105 4157 4217 87 ...
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Page 276: ...Part Number 53Y4348 Printed in USA 1P P N 53Y4348 53Y4348 ...