NEC Express 5800/140Rb-4, Service Manual

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9. Remove the plastic protective overlay covering the PCI area of the board as follows:
a. Unscrew the captive screw holding the overlay in place (Figure 15, D).
b. Near the middle of the baseboard, lift the edge of the overlay until it is clear of the
connectors on the board (Figure 15, B).
c. Slide the overlay toward the front of the electronics bay and unhook it from the two tabs
(Figure 15, C).
d. Remove the overlay.
10. Remove the six screws, the plastic overlay, and the two processor board mounting brackets that
attach the baseboard to the electronics bay (Figure 16, A).
Figure 16. Baseboard Mounting
11. Lifting the board slightly, slide the baseboard toward the front of the chassis until the I/O ports
clear the chassis.
12. At one side of the chassis, the board is inserted into slots in a foam panel (Figure 16, B). Lift up
on the opposite end of the board and pull the edge of the board out of the slots in the foam panel.
13. Lift the baseboard out of the electronics bay and place it component-side up on a nonconductive,
static-free surface (or in an antistatic bag).