IBM Power Systems RDX Manual page 82

Figure 58. Installing the service access cover
For a stand-alone system, complete the following steps. Refer to Figure 59 on page 69.
a. Slide the cover (B) on to the system unit as shown.
b. Close the latch release (A) by pushing it in the direction shown.
68 Power Systems: RDX docking stations, power cable, and removable disk drives for the 9009-41A, 9009-42A,
or 9223-42H