Apple Xserve (Early 2008) DIY Procedure for Logic Board - Manual (Page 16)

Xserve (Late 2006/Early 2008) Logic Board Replacement Instructions 16
Disconnect the optical drive cable from the logic board. 2.
Release the two locking levers on the front panel board cable connector and disconnect the 3.
cable from the logic board. Move the cable aside so you have access to the logic board.
Loosen the single thumbscrew on the power distribution board and slide the board away 4.
from and out of the connector on the logic board.
Note: Don’t remove the power distribution board but make sure its edge connector is all the
way out of the connector on the logic board.