IBM Power Systems 9009-41A Manual page 79

Figure 63. Replacing a memory module or filler
d) Press the memory module or filler straight down, firmly into the slot, until the locking tabs lock
into place.
e) Repeat "27.a" on page 63 through "27.d" on page 65 for the remaining memory modules and
fillers.
28. Install the vital product data card in the new system backplane:
a) Align the VPD card in its slot in location P1-C13 on the new system backplane as shown in the
following figure.
Removing and replacing the system backplane in the 9009-41A, 9009-42A, or 9223-42H 65