Install the GPU complex

Follow instructions in this section to install the GPU complex. The procedure must be executed by a trained technician.

About this task

S036

18 - 32 kg (39 - 70 lb)	32 - 55 kg (70 - 121 lb)

CAUTION

Use safe practices when lifting.

Attention

• Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.
• Touch the static-protective package that contains the component to any unpainted metal surface on the server; then, remove it from the package and place it on a static-protective surface.
• 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.

Note

Make sure you have the required tools listed below available to properly replace the component:

• One torque screwdriver
• One Torx T15 extended bit (300 mm long)
• One Torx T8 magnetic extended bit (100 mm long)
• One UltraPass connector removal tool
• One OSFP card sideband cable press tool
• Alcohol cleaning pads

Firmware and driver download: You might need to update the firmware or driver after replacing a component.

• Go to Drivers and Software download website for ThinkSystem SR680a V4 to see the latest firmware and driver updates for your server.

• Go to Update the firmware for more information on firmware updating tools.

Procedure

1. (Optional) Remove the new GPU complex from the package box.
   1. Extend the two handles on both sides of the GPU baseboard.
   2. Hold the two handles, and remove the GPU complex out from the package box.
   Attention

   Make sure two people stand on either side of the GPU complex, and lift it by holding the two handles.

   Figure 1. Removing the GPU complex from the package box
   
   
2. Remove the NVSwitch heat sink cover.
   1. Loosen the four screws securing the cover.
   2. Lift the cover out of the heat sink.
   Figure 2. NVSwitch heat sink cover removal
   
   
3. Install the GPU complex.
   1. Hold the handles on both sides of the GPU baseboard in the correct orientation as illustrated; then, align the GPU complex with the adapter plate, and gently place it onto the adapter plate.
   2. Push the two handles down.
   Attention

   Make sure two people stand on either side of the GPU complex, and lift it by holding the two handles.

   Figure 3. GPU complex installation
   
   
4. Follow the sequence shown in the illustration below to fasten the seventeen Torx T15 captive screws to secure the GPU complex.
   Important

   Do not overtighten the screws to avoid damage.

   Note

   Loosen or tighten the screws with a torque screwdriver set to the proper torque. For reference, the torque required for the screws to be fully loosen or tighten is 0.6 ± 0.024 newton-meters, 5.3 ± 0.212 inch-pounds.

   Figure 4. Screw installation
   
   
5. Install the NVSwitch heat sink cover.
   1. Place the cover onto the heat sink.
   2. Fasten the four screws to secure the cover.
   Figure 5. NVSwitch heat sink cover installation