Asus AP2400R-E1 - Manual (Page 35)

2-21 ASUS AP2400-E1 2U barebone server
13. Match and push the cage card
connector into the PCI-X slot
(PCI-X2) until the PCI cage fits in
place.
14. Ensure that the PCI cage card
golden connectors completely fit
the slot.
If properly installed, the top of the
PCI cage aligns with the top edge
of the rear panel.
12. Position the PCI cage into the bay
making sure that the pegs go into
the holes on the front of the cage,
and the dents on the rear part
match those on the chassis.