Skip to main content

Remove the HMC card

Follow instructions in this section to remove the HMC card. The procedure must be executed by a trained technician.

About this task

Attention
  • Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.
  • Power off the server and peripheral devices and disconnect the power cords and all external cables. See Power off the server.
  • If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the chassis from the rack. See Remove the server from rack.
  • Two people and one lifting device on site that can support up to 400 lb (181 kg) are required to perform this procedure. If you do not already have a lifting device available, Lenovo offers the Genie Lift GL-8 material lift that can be purchased at Data Center Solution Configurator. Make sure to include the Foot-release brake and the Load Platform when ordering the Genie Lift GL-8 material lift.
  • A torque screwdriver is available for request if you do not have one at hand.

Procedure

  1. Make preparation for this task.
    1. Remove the front top cover. See Remove the front top cover.
    2. Remove the rear top cover. See Remove the rear top cover.
    3. Remove the CPU complex. See Remove the CPU complex.
    4. Remove the power complex. See Remove the power complex.
    5. Disconnect the cables and remove them from the GPU complex if necessary. Before disconnecting the cables, make a list of each cable and record the connectors the cable is connected to. Refer to Internal cable routing.
  2. Unfasten the two screws to remove the HMC card from the GPU baseboard.
    Figure 1. HMC card removal
    HMC card removal

After you finish

  1. Install a replacement unit. See Install the HMC card.
  2. If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.