IBM Power System 8247-42L Manual page 114

Figure 97. Securing the heat sink
20. Repeat step 18 on page 94 and 19 on page 95 for the remaining heat sink.
21. Replace the PCI adapter dividers.
Note: One PCI adapter divider is unique. It has three light pipes and must be installed in the
location between PCI adapter slots P1-C1 and P1-C2.
a. Holding the top edge of the PCI adapter divider (A), align the divider with its slot in the system.
b. Slide the divider toward the retention notches (B) as shown in Figure 98 on page 97.
c. Ensure that the tabs on the divider align with the notches (B) on the system chassis.
Note: The light pipes below the light-pipe plate must fit through the holes in the plate.
d. Press on the divider until the lower edge guide pin (C) slides into the slot to secure the divider.
e. Repeat step 21 for the other PCI adapter dividers to be installed.
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System backplane