4Section 2.2 “How to Power On the System” on page 55
Section 2.3 “How to Initiate a Reconfiguration Boot” on page 58
2.8How to Avoid Electrostatic Discharge
Use the following procedure to prevent static damage whenever you are accessing any of the internal components of the system.
2.8.1Before You Begin
Complete these tasks:
Section 2.1 “How to Power Off the System” on page 54
Section 2.4 “How to Position the System for Service” on page 60
Section 2.6 “How to Remove the System Cover” on page 65
You must have the following items:
4Antistatic wrist or foot strap Antistatic mat (or the equivalent)
2.8.2What to Do
Caution - Printed circuit boards and hard disk drives contain electronic components that are extremely sensitive to static electricity. Ordinary amounts of static from your clothes or the work environment can destroy components. Do not touch the components or any metal parts without taking proper antistatic precautions.
1.Disconnect the AC power cord from the wall power outlet only when performing the following procedures.
Removing and replacing the power distribution board
4Removing and replacing the main logic board Removing and installing a power supply
The AC power cord provides a discharge path for static electricity, so it should remain plugged in except when you are servicing the parts noted above.
