NEC HV8600 User Manual page 92

4. Pull the fasteners on both sides of the CPU backboard to release the lock.
5. Hold the frame of the CPU backboard firmly and pull the board forward to
remove it (see Figure 4-12).
Note:
pounds (5.7kg). Hold it firmly to remove it.
Note:
wrist strap. Hold processors only by their edges.
6. Place the CPU backboard gently on a flat and clean surface.
7. Remove the retention arm locking the termination card in place by pressing
in on the right side of the bar to release the arm (see Figure 4-13).
8. Pull the retention arm towards you to release the arm from the module (see
Figure 4-13).
4-20 Upgrading Your System
The CPU backboard weighs approximately 12 1/2
Figure 4-12. Removing the CPU Backboard
Observe static precautions. Use an antistatic
Figure 4-13. Removing the Retention Arm