Remove a PCIe riser assembly (ConnectX-7 NDR 200)

Use this information to remove a PCIe riser assembly with ConnectX-7 NDR 200 adapter.

About this task

Attention

• Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.

• Turn off the corresponding DWC tray that you are going to perform the task on.

• Disconnect all external cables from the enclosure.

• Use extra force to disconnect QSFP cables if they are connected to the solution.

Watch the procedure

• A video of this procedure is available at YouTube.

Procedure

1. Make preparations for this task.
   1. Remove the tray from the enclosure. See Remove a DWC tray from the enclosure.
   2. Remove the tray cover. See Remove the tray cover.
   3. Remove the cross braces. See Remove the cross braces.
   4. For shared I/O or socket direct configurations, disconnect the cable from the system board. See Internal cable routing.
   Note

   The following illustration might differ slightly from your hardware, but the installation method is the same.
2. If applicable, remove the interconnect cable from the node.
   1. Remove the two screws from the interconnect cable.
   2. Remove the interconnect cable from the water loop.
   3. Remove the two washers from the water loop.
   Figure 1. Interconnect cable removal
   
   
3. Loosen the PCIe riser assembly from system board.
   1. Loosen the captive screw on the clamp bracket and remove it.
   2. Loosen the screw on the front of the PCIe riser assembly
   3. Loosen the captive screw on the rear of the PCIe riser assembly.
   4. Remove the two long screws that secure the riser assembly.
   Figure 2. Loosening PCIe riser assembly from system board
   
   
4. Carefully grasp the PCIe riser-cage assembly by its edges and remove it out of the node.
   Note

   The following illustration might differ slightly from your hardware, but the removal method is the same.

   Figure 3. PCIe riser assembly removal
   
   
5. If necessary, remove the interface plate.
   1. Remove the hex standoff screw and five Torx T10 screws that secure the interface plate.
      Figure 4. Interface plate screws removal
      
      
   2. Release the interface plate with a flat head screwdriver. (If a flat head screwdriver is not available, the DIMM tool can also be used.)

      1. There are two openings (marked with black triangle in the illustration below) on the bottom side of the interface plate for inserting a flat head screwdriver—select the one that is accessible for the flat head screwdriver.

      2. Insert a flat head screwdriver into the opening; then, slightly rotate the screwdriver to release the interface plate from the water loop cold plate.

      Figure 5. Locations of openings on the bottom side of the interface plate
      
      

      Figure 6. Releasing the interface plate from water loop cold plate
      
      
   3. Remove the interface plate from the tray.
      Figure 7. Removing the interface plate
      
      
6. If necessary, install the blank bezel fillers.
   Figure 8. Blank bezel filler installation
   
   

After you finish

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.

If you need to disassemble the PCIe riser assembly, follow the instructions below:

Attention

You can only disassemble a PCIe riser assembly for recycle. Do not disassemble it for any other purposes.

1. If necessary, remove Mylar film from the PCIe riser assembly.

2. Remove the two screws with a 3/16" hex head screwdriver; then, separate the expansion board from the cage.

   Figure 9. Expansion board removal
   
   

3. Recycle the unit in compliance with local regulations.