Dell PowerEdge R320 User's Guide download pdf (Page 187)

187

Replacing the Main Board

The main board is mounted to the electronics bay tray, which slides out of the rear of the main

chassis for removal as a unit.

Removing the Main Board

1. Power down the system by pressing and holding the power button on the front panel for several

seconds.

2. Unplug both AC power cords to remove standby power from the server.

3. See the warnings and cautions under Removing and Installing the Top Cover.

4. Follow the instructions under Removing the Top Cover.

5. Remove the PCI riser card assembly from the system and set aside. For instructions, see

Removing the PCI Riser Assembly.

6. Remove the processor air duct and set aside.

7. If required, remove the DC Y power harness, processor power pod(s), the processor(s), and the

memory DIMMs from the main board and set them aside.

8. Locate and loosen two captive screws at the rear of the chassis securing the electronics bay to

the main chassis. See number 1 in Figure 67 to locate the screws.

9. Slide the electronics bay tray from the rear of the chassis and place it on an ESD-safe

workspace. See number 2 in the figure below.

10. Locate and loosen the two captive screws near the DIMM sites on the main board. See number

3 in the figure below.

11. Lift and remove the main board from the electronics bay tray, place it on an ESD safe surface.

Processor

Power Pod

Chassis Rear View

DIMMs

1 1

Electronics Bay

Mainboard

Electronics Tra

Figure 67. Removing the Main Board

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Dell PowerEdge R320 User's Guide Page 187