Prepare a CMOD for Replacement
These procedures require that you handle components that are sensitive
to electrostatic discharge. This sensitivity can cause the components to
fail. To avoid damage, ensure that you follow antistatic practices as
described in Electrostatic Discharge and Static Prevention Measures.
To prepare a failed CMOD for return shipment and failure analysis:
Use Oracle ILOM to identify the location of the failed CMOD.
See Troubleshooting Server Hardware Faults.
Prepare the server for warm service.
See Preparing the Server for Component Replacement.
This procedure can also be completed as a cold service
Remove the failed CMOD.
See Remove a CMOD.
Set a replacement CMOD next to the failed CMOD on an antistatic
Remove both CMOD top covers.
See Remove the CMOD Cover.
To remove the CMOD top cover, push the release button, slide the CMOD
cover toward the back of the CMOD, and lift it away.
Remove the reusable DIMMs from the failed CMOD motherboard and install
them onto the replacement CMOD motherboard.
See Servicing DIMMs (CRU).
Install the DIMMs only in the slots (connectors) that correspond
to the slots from which they were removed. Performing a one-to-one
replacement of the DIMMs significantly reduces the possibility that
the 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 be used by the server.
Remove the reusable processor-heatsink module from the failed CMOD
See Identify and Remove a Faulty Processor.
Remove the processor socket covers from the replacement CMOD
motherboard and install the processors.
Grasp the processor socket cover finger grips (labeled REMOVE)
and lift the socket cover up and off the processor
Install a processor into the socket from which you removed the
processor socket cover.
See Install a Processor.
Install the processor socket cover on the faulty CMOD
The processor socket covers must be installed on the faulty CMOD
motherboard; otherwise, damage might result to the processor sockets
during handling and shipping.
Align the processor socket cover over the processor socket
alignment posts. Install the processor socket cover by firmly
pressing down on all four corners (labeled INSTALL) on the
You will hear an audible click when the processor socket cover
is securely attached to the processor socket.
Install both CMOD socket covers.
See Install the CMOD Cover.
Place the failed CMOD in a shipping package.
Return the replacement CMOD to service.