Compaq ProLiant DL580 Setup And Installation Manual page 87

The following figure shows insertion of the screws into the appropriate holes.
Markings on the template identify the mounting holes for the 26-inch slides
used in Compaq racks.
1
2
3
Figure 4-7. Attaching the bracket rail to the rack mounting bracket
10. You will use a total of five 8-32 x 1/4-inch slotted screws to fasten the
bracket rail to the rack mounting bracket. When all five screws are
fastened, the rack mounting bracket and bracket rail form a mounting
bracket slide assembly that you will attach to the rack.
11. Replace the server rail that you removed from the assembly in step 2 by
aligning it with the front of the rack mounting bracket and sliding it
forward until you hear a click. Press the latch in and continue to slide
the server rail all the way through the bracket assembly until it stops.
Installing the Server 4-17