Dell NM176 owner manual Installing System Components

8Remove all PCI expansion cards installed on the riser card. See "Removing an Expansion Card" on page 78.

9Remove the riser card. See "Removing the Riser Card" on page 79.

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 6-2.

12Pull up on the plunger that secures the system board tray to the chassis floor. See Figure 3-21.

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 3-21.

14Lay the system board tray down on a smooth, nonconductive work surface.

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Installing System Components