Dell 745N manual Installing System Components

bWhile pressing down on the cover indention, slide the cover backward about an inch, and grasp the cover on both sides.

cCarefully lift the cover away from the system.

5Remove the cooling shroud.

6Remove the heat sink and processor.

7Remove the memory modules.

NOTE: After removing the memory modules, record the memory module socket locations to ensure proper installation.

8Disconnect the hard-drive interface cables from the appropriate card:

a If this is a software RAID or external storage configuration system, remove the cables from the daughter card.

b If this is a hardware RAID system, remove the cables from the CERC SATA RAID controller.

9If this is a software RAID or external storage configuration system, remove the daughter card.

10Disconnect the control panel interface cable from the J7 connector on the system board. See Figure 6-16.

11Remove all PCI expansion cards installed on the riser board.

12Using a #2 Phillips screwdriver, loosen the two captive screws securing the riser board to the system board.

13Disconnect the riser board from the system board card-edge connector.

14Remove the fan assembly.

15Remove the power supply.

16Using a #2 Phillips screwdriver, loosen the captive screw that secures the system board tray to the chassis floor. See Figure 6-16.

17Using 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 6-16.

18Lay the system board tray down on a smooth, non-conductive work surface.

Installing System Components

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