Remove the retimer board

Use this information to remove the retimer board.

Procedure

1. Make preparations for this task.
   1. Remove the tray (see Remove a DWC tray from the enclosure).
      Attention

      For safety, use the lift tool to remove the tray from the rack.

   2. Remove the tray cover (see Remove the tray cover).
   3. Remove the front and the rear cross braces (11x Phillips #1 screws).
      Figure 1. Cross brace removal
      
      
   4. See Cable removal order to disconnect cables according to your configuration.
   5. Disconnect GPU power cable.
      Figure 2. GPU power cable removal
      
      
   6. Remove the clamp plate or the drive depending on your configuration.

      • Clamp plate removal: Remove the two screws to remove the clamp plate.

        Figure 3. Clamp plate removal
        
        

      • Drive removal: see Install the drive in the GPU node.

   7. Remove seven Torx T10 water loop screws with a torque screwdriver sets to the proper torque.
      Note

      For reference, the torque required for the screws to be fully tightened/removed is 0.5-0.6 newton-meters, 4.5-5.5 inch-pounds.

      Figure 4. Water loop screws removal
      
      
   8. Remove GPU cold plate screws (16x Phillips #1 screws) with a torque screwdriver sets to the proper torque.
      Note

      For reference, the torque required for the screws to be fully tightened/removed is 0.34-046 newton-meters, 3-4 inch-pounds.

      Figure 5. GPU cold plate screws removal
      
      
   9. Remove the four Torx T10 screws (per node) to loosen the quick connect.
      Figure 6. Screws removal
      
      
   10. Orient the water loop carrier with the slots; then, gently put the water loop carrier down and ensure it is seated firmly on the water loop.
       Figure 7. Water loop carrier installation
       
       
   11. Tighten water loop carrier screws (15x Phillips #2 screws).
       Figure 8. Water loop carrier screws installation
       
       
   12. Fold the water loop.

       1. ❶ Carefully unhook the quick connect and slide it out of the opening in the rear of the tray; then, lift the water loop up off the GPU board.

       2. ❷ Carefully rotate the water loop so one half is sitting on top of the other half.

       Figure 9. Folding the water loop
       
       
2. Remove the three Torx T10 screws with a torque screwdriver sets to the proper torque.
   Note

   For reference, the torque required for the screws to be fully tightened/removed is 0.5-0.6 newton-meters, 4.5-5.5 inch-pounds.

   Figure 10. Retimer board removal
   
   
3. Remove the retimer board.
   1. ❶ Rotate the release handle.
   2. ❷ Remove securing clips out of slots on the retimer board.
   3. ❸ Pull the retimer board slightly to disconnect it from the GPU borad, then, remove the retimer board out of the node.
      Figure 11. Retimer board removal