HP 98568A Installation Instruction page 39

HP 98577 A VMEbus Expander
8. Press the slotted cover down, then slide it forward. Make sure that the
bottom, rear corners of the top are seated ill their retaiIlillg clips.
Figure 2-12.
Seating the Cover
9. Locate the screw supplied in the bag with the power cord and install it into
the front of the computer top.
Figure 2-13.
Installing the Flat-head Screw
Adding Expanders 2-15