IBM Power System 9040-MR9 Manual page 62

Figure 49. Removing the socket dust covers
c) Repeat steps "4.a" on page 47 through "4.b" on page 47 to remove the other socket dust covers.
5. Install the system processor modules from the original system backplane in the new system
backplane.
Tip: As you replace parts inside the system, refer to your notes about the location for each part. It is
important that you replace parts in the exact location from which they were removed.
a) Ensure that the removal tool is in the open position as shown in the following image. The middle
ring must be pushed down and blue tabs must be turned inward.
48 Power Systems: System backplane