IBM Power System 9040-MR9 Manual page 93

Figure 80. Placing the system into the operating position
5. Replace the front cover. Position the cover (A) on the front of the system unit as shown in the
following figure, so that the four pins (B) on the system match the four holes at the rear of the cover.
Press the tabs (C) to snap the cover into position.
System backplane for the 9040-MR9 79