IBM Power System 9040-MR9 Manual page 71

Figure 58. Placing the dust covers on the system processor module sockets on the system
backplane
b) Repeat step "7.a" on page 56 to install socket dust covers on the remaining system processor
module sockets.
8. Replace the processor voltage regulator modules or processor voltage regulator module fillers in
locations P1-C13, P1-C16, P1-C17, and P1-C20.
a) With the levers (A) in the open position, hold the voltage regulator module or filler by its levers
and lower the voltage regulator module or filler into its slot in the system. Refer to the following
image.
b) Gently push the voltage regulator module or filler into its connector.
c) Rotate the levers in the direction that is shown and press down on the latches to secure the
voltage regulator module or filler in its slot.
d) Repeat steps "8.a" on page 57 through "8.c" on page 57 to replace the remaining processor
voltage regulator modules or fillers.
System backplane for the 9040-MR9 57