NEC Express5800/120Rc-2, Service Manual, Page: 92 / 194

4-16 Disassembly and Reassembly
15. Press down on the heat sink clip retention latch and hook it under the
fastener tab on the base of the ZIF socket, as shown in Figure 4-15.
The heat sink clip is now secured to the fastener tab of the ZIF socket.
Figure 4-15. Installing Heat Sink Clip
16.
If you installed a processor into the secondary socket, install a VRM board
into the system board. See Figure 4-16. Position the board over the socket on
the board and press down evenly on the board until it seats correctly.
Figure 4-16. Installing the VRM Board
17.
Reinstall the PCI I/O board removed in step 5 of these procedures by
grasping each side of the frame of the PCI I/O board and position the board
above the system board. Slide the PCI I/O board down into the system
board, ensuring the two tabs on the system chassis are inserted into the slots
on the PCI I/O board frame. See Figure 4-17, A.