IBM Power System 9040-MR9 Manual page 63

Figure 50. Ensuring that the removal tool is in the open position
b) Lower the tool over the system processor module as shown in the following image. Ensure that
the beveled edge on the tool aligns with the beveled edge of the processor. Ensure that the two
guide pins (A) are inserted into the alignment holes (B) on each side of the tool.
System backplane for the 9040-MR9 49