Remove a processor and heat sink

Processors are in the compute system boards that are accessed from the front of the server. This task has instructions for removing an assembled processor and heat sink, known as a processor-heat-sink module (PHM), a processor, and a heat sink. All of these tasks require a Torx T30 driver.

To avoid possible danger, read and follow the following safety information.

hot surface
Hot surface nearby.
  • Each processor socket must always contain a cover or a PHM. When removing or installing a PHM, protect empty processor sockets with a cover.

  • Do not touch the processor socket or processor contacts. Processor-socket contacts are very fragile and easily damaged. Contaminants on the processor contacts, such as oil from your skin, can cause connection failures.

  • Remove and install only one PHM at a time. If the system board supports multiple processors, install the PHMs starting with the first processor socket.

  • Do not allow the thermal grease on the processor or heat sink to come in contact with anything. Contact with any surface can compromise the thermal grease, rendering it ineffective. Thermal grease can damage components, such as electrical connectors in the processor socket. Do not remove the grease cover from a heat sink until you are instructed to do so.

  • To ensure the best performance, check the manufacturing date on the new heat sink and make sure it does not exceed two years. Otherwise, wipe off the existing thermal grease and apply the new grease onto it for optimal thermal performance.

  • Processors are static-sensitive components, handle them with extra care. See Handling static-sensitive devices for more information.

Before you remove a PHM, complete the following steps:
Note: The heat sink, processor, and processor retainer for your system might be different than those shown in the illustrations.
  1. Read Installation Guidelines to ensure that you work safely.

  2. Power off the compute node (see Power off the compute node for instructions).

  3. If the compute node is installed in a chassis, remove it (see Remove a compute node for instructions).

  4. Carefully lay the compute node on a flat, static-protective surface.

  5. Remove the compute node cover (see Remove the compute node cover for instructions).

Figure 1. Processor locations on system board
Processor locations

To remove a PHM, complete the following steps:

Watch the procedure. A video of the process is available:

  1. Remove the air baffle (see Remove the air baffle for instructions).
  2. Remove the PHM from the system board.
    Figure 2. Removing a PHM
    PHM removal
    Attention: To prevent damage to components, make sure that you follow the indicated loosening sequence.
    1. Fully loosen the Torx T30 captive fasteners on the processor-heat-sink module in the removal sequence shown on the heat-sink label.
    2. Lift the processor-heat-sink module from the processor socket.

After you remove a PHM, complete the following steps:

If you are instructed to return the processor or heat sink, follow all packaging instructions and use any packaging materials that are provided.