Lenovo ThinkStation D20 Hardware Maintenance Manual - Page 117

Replacing FRUs (Type 4155, 4158, 4218), Locating controls and connectors on the front

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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 2 Microphone connector 3 Headphone connector 4 USB connector 5 IEEE 1394 connector Rear connectors The following illustration shows the locations of the connectors on the rear of the computer. © Copyright Lenovo 2008, 2012 109

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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, 2012
109