NEC Express 5800/140Rb-4 Service Manual page 58

2. Raise the locking bar on the socket.
3. Orient the processor so that the triangle on the corner of the processor aligns with the triangle on
the corner of the socket (Figure 19).
4. Aligning the pins of the processor with the socket, insert the processor into the socket. The
processor should drop into the socket without requiring any force.
5. Lower the locking bar completely.
Figure 18. Raising the Locking Bar
Figure 19. Installing Processors