Remove the Motherboard Assembly
- Prepare the server for service.
- Power off the server and disconnect the power cords from the power supplies.
See Powering Down the Server.
- Extend the server into the maintenance position.
See Extend the Server to the Maintenance Position.
- Attach an antistatic wrist strap.
See Take Antistatic Measures.
- Remove the server top cover.
See Remove the Server Top Cover.
- To remove components, follow these instructions:
Caution - During the motherboard removal procedure, it is important to label power supplies with the
slot numbers from which they were removed (PS0, PS1). This is required because
the power supplies must be reinstalled into the slots from which they were
removed; otherwise, the server's FRU top-level indicator (TLI) data might be lost. When
a server requires service, the FRU TLI is used by Oracle to verify
that the server's warranty has not expired. For more information on the server's
FRU TLI, see the Administration, FRU TLI Auto-Update.
- Disconnect the ribbon cables from the left front I/O module and right front
I/O modules .
See Servicing the Front LED/USB Indicator Modules (FRU).
- Disconnect the LED cable between the motherboard to the disk backplane .
See Servicing the Front and Rear Storage Drive Backplanes (FRU).
- Disconnect the signal cable from the server intrusion switch .
- Remove the mid-wall from the chassis.
- Using a No. 2 Phillips screwdriver, remove the two screws on each side
of the chassis that secure the mid-wall to the chassis .
- Using a No. 2 Phillips screwdriver, loosen the four green captive screws that
secure the chassis mid-wall to the bottom of the chassis .
- Lift the mid-wall out of the chassis .
Figure 89 Removing the Motherboard Assembly
- With the server in the extended maintenance position, remove the motherboard from the
server with all reusable components that populate the motherboard in place.
- Carefully slide the motherboard forward, and lift it out of the chassis .
- Place the motherboard assembly on an antistatic mat, and next to the replacement
- Remove the following reusable components from the motherboard and install them on to
the replacement motherboard.
Note - Install the DDR3 DIMMs only in the slots (connectors) from which they were
removed. Performing a one-to-one replacement of DIMMs significantly reduces the possibility that DIMMs
will be installed in the wrong slots. If you do not reinstall the
DIMMs in the same slots, server performance might suffer and some DIMMs might not