NEC MH4000, User Manual

Page: 104 / 204

5-20
Upgrades and Options
Removing a Processor
Refer to Figure 5-7 while performing the following
procedures. To remove an Pentium processor:
1. Remove the processor board as described earlier in
this section.
Notice: Observe static precautions. Use an antistatic
wrist strap.
2. Push on the heatsink retention clips to release the
clips from the tabs on the ZIF socket.
3. Raise the lever on ZIF socket to the up position
(Figure 5-7, A).
4. Grasp the opposite sides of the processor, apply
equal upward force on each side and rock it from
side to side until it releases.
5. Place microprocessor and heatsink in an antistatic
package.
6. Push the lever on the ZIF socket down until it snaps
into the locked position (Figure 5-7, G).
7. Move the processor jumper (Figure 5-7, H) from the
2-3 position (2 CPU) to the 1-2 position (1 CPU).
8. Install the processor board back into the system as
described later in this chapter.