Dell HX574, R905 owner manual Removing a Peripheral Interposer Board

cSlide the retention slots on the backplane over the retention hooks on the chassis.

dSlide the backplane downward until the blue retention pin snaps into place.

2Connect the SAS, interface, and power cables to the SAS backplane.

3Connect the control-panel cable to the front of the SAS backplane.

4Install the SAS hard drives in their original locations. See "Hard Drives" on page 105.

5Install the optical drive carrier.

Slide the drive carrier into its drive bay and press in the release latch. See Figure 3-20.

6Replace the cooling shroud assembly. See "Replacing the Cooling Shroud Assembly" on page 70.

7Replace the PEM. See "Replacing the PEM or PEM Shell" on page 76.

8Close the system. See "Closing the System" on page 66.

9Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.

Peripheral Interposer Board

Removing a Peripheral Interposer Board

CAUTION: Any installation that requires removal of the system cover is intended solely to be performed by trained service technicians. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

1Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

2Open the system. See "Opening the System" on page 65.

3Remove the PEM. See "Removing the PEM or PEM Shell" on page 73.

4Remove the cooling shroud assembly. See "Removing the Cooling Shroud Assembly" on page 69.

5Disconnect the SAS data and backplane power cables from the back of the SAS backplane. See Figure 3-30 or Figure 3-31.

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Installing System Components