3.11.1 Before You Begin

Complete these tasks:

• "2.1 How to Power Off the System"

• "2.4 How to Position the System for Service"

• "2.6 How to Remove the System Cover"

• "2.8 How to Avoid Electrostatic Discharge"

• "3.5 How to Remove a CPU Module"

• "3.9 How to Remove the Air Guide"

Remove all CPU modules prior to removing the card cage.