Sun Microsystems Fire V890 Service Manual page 229

4. Loosen the captive Phillips screw securing the power distribution board to its
bracket.
Access the captive screw from the front of the system, through disk drive Slot 3.
5. Carefully pull the power distribution board out from the system until you can
easily access the two cable assemblies still attached to the power distribution
board.
The power distribution board is held in place by two tabs that fit into cutouts on the
chassis sidewall and by one tab on the centerplane.
Note – Be careful not to damage the I
still attached to the power distribution board.
2
C cable and the motherboard power cables
Chapter 6 Removing and Installing Backplanes and Cables 201