HP ProLiant DL180 Maintenance And Service Manual page 43

Removing the backplane
Figure 21
To install the backplane:
Orient the backplane so that the three notches on the board align with the three hooks on the
1.
drive cage and press the board down until it clicks into place.
Secure the backplane with two screws.
2.
Installing the backplane
Figure 22
3. Install all cables including optical drive cables.
Removal and Replacement Procedures 43