System Board (Service-Only Procedure)
The system board and system board tray are removed and replaced as a single assembly.
Removing the System Board Assembly
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer and protecting against electrostatic discharge.
1Open the system. See "Opening the System" on page 46.
2Remove the cooling shroud. See "Removing the Cooling Shroud" on page 47.
3Remove the heat sink and processor. See "Replacing the Processor" on page 71.
4Remove the memory modules. See "Removing Memory Modules" on page 70.
NOTE: As you remove the memory modules, record the memory module socket locations to ensure proper installation.
5If applicable, disconnect the optical drive interface cable from the IDE connector on the system board. See Figure
6Disconnect the
7Disconnect the
a If a SAS controller is installed, disconnect the interface cable from the controller card.
b If the system hard drives are connected to the integrated controller, disconnect the interface cables from the SATA_0 and SATA_1 connectors on the board. See Figure
8Remove all PCI expansion cards installed on the riser card. See "Removing an Expansion Card" on page 65.
9Remove the riser card. See "Removing the Riser Card" on page 66.
10Disconnect the chassis intrusion cable from the INTRUSION_SWITCH connector on the system board.
11Disconnect the two power cables from the 12V and PWR_CONN connectors on the system board. See Figure
12Pull up on the plunger that secures the system board tray to the chassis floor. See Figure
13Using the tab on the system board tray, slide the system board forward (toward the front of the system) and lift the assembly up and out of the chassis. See Figure
14Lay the system board tray down on a smooth, nonconductive work surface.
Installing System Components
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