Apple Xserve (Early 2008) DIY Procedure for Enclosure - Manual (Page 36)

Xserve (Late 2006/Early 2008) Front Panel Board Cable Replacement Instructions 4
Left PCI Riser Card
Loosen the two captive screws that secure the left riser bracket to the back panel. 1.
Carefully pull up on the left bracket and riser to disconnect the riser from the logic board. If 2.
an expansion card is installed in the riser, leave it attached.
Captive screws
Tilt the expansion card up so that its port clears the enclosure, and remove the riser and card 3.
from the Xserve.
Front Panel Board Cable
Release the locking levers on the cable connectors and disconnect the front panel board 1.
cable from the front panel board and the logic board.
Remove the cable from the Xserve. 2.