3. Label and unplug the front drive and power cables from the system backplane and from the drive
backplanes.
For instructions, see “Removing a drive backplane from the 9183-22X system” on page 3.
4. Label and unplug the power switch cable and the front USB cable from the system backplane.
For instructions, see “Removing the power switch and cables from the 9183-22X system” on page 70.
5. Label and remove the PCIe adapters and PCIe risers from the system backplane and set them on an
ESD surface.
For instructions, see “Removing a PCIe adapter from the 9183-22X system” on page 38.
6. Remove the power distribution board.
For instructions, see “Removing the power distribution board from the 9183-22X system” on page 60.
7. Remove the system backplane.
a) Unscrew and remove the 3 screws (A) that secure the system backplane to the system as shown in
the following figure.
82 Power Systems: Servicing the IBM Power System IC922 (9183-22X)