Replacing the System Cover

After adding optional components and making adjustments, replace the system cover. Follow these steps:

1.Make sure you have not left any tools or loose parts inside the system. Make sure everything is properly installed and tightened.

2.Lower the cover straight down over the chassis.

3.Slide the cover forward until the rear of the cover aligns with the rear of the chassis. Make sure the cover screws fit into the notches on the sides of the system cover.

4.Tighten the screws on the rear of the system.

Installing Add-in Boards

The computer has expansion slots for installing add-in boards, such as modems, sound cards, or video adapters. The system has five 16-bit ISA slots and two 32-bit PCI slots.

The expansion slots are on a circuit board, called the riser card, which is perpendicular to the system board.

Removing the Bottom Panel

Before adding or removing cards from your system, you will need to remove the bottom panel. To remove the bottom panel of the system:

1.Gently tilt the system onto its right side (as you face the front of the system).

Upgrading Your Computer 21