Apple Xserve Intel (Late 2006) DIY Procedure for Rear ID Tab - Manual (Page 4)

Xserve (Late 2006) Rear ID Tab Replacement Instructions 
PCI Riser Cards and Expansion Cards
Loosen the two captive screws that secure the riser bracket in slot 1 to the back panel.
Carefully pull up on the bracket and riser, with the expansion card still attached, to
disconnect the riser from the logic board.
Captive screws
Tilt the expansion card up so that its port clears the enclosure, and remove the card from the
Xserve.
Repeat for the riser card in slot 2.
1.
2.
3.
4.