Replace the model 9116-561 or 570 system backplane

If you removed the system backplane as a part of another procedure, you might need to replace the system backplane. Use the procedure in this section to perform this task.

You must have already completed the procedure Remove the model 9116-561 or 570 system backplane.

Replace the system backplane

As shown in Figure 1, place the system processor assembly into the system backplane assembly A using the location information that you recorded during the removal procedure. Lock the system processor assembly into place with the locking arms B. Press in on the locking knobs C until you feel them lock into place. Replace all processor assemblies that were removed earlier.
Figure 1. Replace the model 9116-561 or 570 backplane assembly
Align the system backplane assembly with the slot in the system.
Slide the system backplane assembly into the system A, as shown in Figure 2.
Push the blue lever B to the right and in toward the system to lock the system backplane assembly.
Figure 2. Slide the model 9116-561 or 570 system backplane assembly into the system unit

Complete the procedure

Reinstall the voltage regulator modules. For instructions, see Replace the model 9116-561 or 570 voltage regulator card assembly.
Reinstall the control panel. For instructions, see Model 9116-561 or 570 control panel.
Reinstall the SMP processor cable, if it was removed. For instructions, see Replace the model 9116-561 or 570 SMP processor cable.
Reinstall the front cover. For instructions, see Install the front cover on the model 9116-561 or 570.
Start the system or logical partition.
If you replaced the system backplane as part of another procedure, return to that procedure now. If you replaced it because it was not operational, verify that the new resource is functional. For instructions, see Verify the installed part.