98 Installing System OptionsSystem Board (Service-Only Procedure)Removing the System BoardCAUTION: Only trained service technicians are authorized to remove the system cover and access any of thecomponents inside the system. See your Product Information Guide for complete information about safetyprecautions, working inside the computer, and protecting against electrostatic discharge.1 Remove the server module. See "Removing a Server Module" on page 73.2 Open the server module. See "Opening the Server Module" on page 75.CAUTION: The processor and heat sink can become extremely hot. Be sure the processor has had sufficient timeto cool before handling.CAUTION: The memory modules are hot to the touch for some time after the system has been powered down.Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edgesand avoid touching the components.NOTICE: If you are removing two hard drive, label them so you can replace them in their original locations.3 Remove the hard drives. See "Removing a Hard Drive" on page 90.4 Disconnect the control panel cable from the system board. See Figure 3-25.5 If applicable, remove the daughter card See "Removing a Daughter Card" on page 83.6 Remove the memory modules and memory module blanks. See "Removing Memory Modules" onpage 82.7 Remove the processor(s). See "Removing a Processor" on page 84.8 Remove the five Phillips screws and three hexagonal screws securing the system board to the servermodule chassis.9 Remove the curved chipset cooling shroud near the memory module sockets.10 Lift the system board out of the chassis.