Removing The Option Board Cover - NEC EXPRESS5800/120Md Series User Manual

Removing the Option Board Cover

1. To remove the option board cover, perform the following (see Figure 4-2).
2. Observe the safety and ESD precautions listed at the beginning of this
chapter.
3. Power off the system. Ensure the power cords are unplugged from the AC
wall outlet.
4. The option board cover is secured from the rear edge of the chassis with a
thumbscrew. Loosen the thumbscrew.
5. Pull the cover slightly towards the rear of the chassis until its hooks
disengage from the chassis.
6. Remove the cover by pulling it away from the side of the chassis and set it
aside for reattaching later.
Figure 4-2. Removing the Option Board Cover
Upgrading Your System 4-7