Remove the M.2 backplane assembly

Use this information to remove the M.2 backplane assembly.

About this task

S001

DANGER

danger

Electrical current from power, telephone, and communication cables is hazardous.

To avoid a shock hazard:

• Connect all power cords to a properly wired and grounded electrical outlet/source.
• Connect any equipment that will be attached to this product to properly wired outlets/sources.
• When possible, use one hand only to connect or disconnect signal cables.
• Never turn on any equipment when there is evidence of fire, water, or structural damage.
• The device might have more than one power cord, to remove all electrical current from the device, ensure that all power cords are disconnected from the power source.

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 (SD650-I V3).
2. Disconnect the cable from the system board.
   Figure 1. M.2 backplane assembly cable removal
   
   
3. Remove the M.2 backplane assembly.
   1. Remove the six screws.
   2. Remove the M.2 backplane assembly out from the node.
   3. Disconnect the cable from the M.2 backplane assembly.
   Figure 2. M.2 backplane assembly removal
   
   
4. (Optional) If you are removing the water loop, remove the M.2 backplane cold plate.
   1. Unfasten the two screws.
   2. Remove the M.2 backplane cold plate from the processor cold plate.
   Figure 3. Removing the M.2 backplane cold plate removal