Chapter 8. Replacing FRUs
Important
Before you replace any FRU, read Chapter 2, “Safety information,” on page 5.

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 connectors on the front
The following illustration shows the locations of the USB connectors on the front of
the computer.
1Headphone connector 3USB connector
2Microphone connector 4USB connector
© Lenovo 2005, 2008. Portions © IBM Corp. 2005. 89