![](/images/new-backgrounds/1180133/18013357x1.webp)
1.Remove the bezel (see "Removing the Bezel").
2.Loosen the three thumbscrews that secure the cover to the chassis (see Figure
3.Slide the back cover backward and grasp the cover at both ends.
4.Carefully lift the cover away from the system.
Figure 4-3. Removing the Cover
Replacing the Cover
1.Ensure that no tools or parts are left inside the system and that any cables are routed so that they will not be damaged by the cover.
2.Align the cover with the cover alignment hooks on the sides of the chassis, and slide the cover forward (see Figure
3.Tighten the three thumbscrews that secure the cover to the chassis.
4.Replace the bezel (see "Replacing the Bezel").
Inside the System
In Figure
Figure 4-4. Inside the System
The system board holds the system's control circuitry and other electronic components. Several hardware options, such as the microprocessors and memory, are installed directly on the system board. The
The system provides space for a
The
During an installation or troubleshooting procedure, you may be required to change a jumper setting. For more information, see "Jumpers and Connectors."