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27 
2  Installing and Replacing Desktop 
Board Components 
This chapter tells you how to: 
•  Install the I/O shield 
•  Install and remove the desktop board  
•  Install and remove a processor and memory 
•  Install and remove a PCI Express x16 card  
•  Connect the IDE and Serial ATA cables 
•  Connect internal headers 
•  Set up flexible 6-channel audio with jack re-tasking 
•  Connect fans and power cables 
•  Connect PCI bus add-in cards 
•  Set the BIOS configuration jumper 
•  Clear passwords 
•  Locate back panel connectors 
•  Replace the battery  
Before You Begin 
 WARNINGS 
The procedures in this chapter assume familiarity with the general terminology associated with 
personal computers and with the safety practices and regulatory compliance required for using 
and modifying electronic equipment.  
Disconnect the computer from its power source and from any telecommunications links, 
networks, or modems before performing any of the procedures described in this chapter.  Failure 
to disconnect power, telecommunications links, networks, or modems before you open the 
computer or perform any procedures can result in personal injury or equipment damage.  Some 
circuitry on the board can continue to operate even though the front panel power button is off. 
Follow these guidelines before you begin: 
•  Always follow the steps in each procedure in the correct order. 
•  Set up a log to record information about your computer, such as model, serial numbers, 
installed options, and configuration information. 
•  Electrostatic discharge (ESD) can damage components.  Perform the procedures described in 
this chapter only at an ESD workstation using an antistatic wrist strap and a conductive foam 
pad.  If such a station is not available, you can provide some ESD protection by wearing an 
antistatic wrist strap and attaching it to a metal part of the computer chassis.