Note: The illustrations in this document might differ slightly from your hardware.Key lockCover releasebuttonComplete the following steps to remove the cover of the computer.1. Review the information in “Before you begin” on page 37 and the safetyprecautions listed in Statement 1 and Statement 5 in “Safety information” onpage 39.2. Remove any media (diskettes, CDs, or tapes) from the drives and shut downyour operating system.3. Turn off the computer and all attached devices; then, disconnect all externalcables and power cords.4. If necessary, unlock the computer cover.5. Press the buttons on the sides of the computer and pivot the rear of the coverup toward the front of the computer.Attention: For proper cooling and airflow, replace the cover before turning on thecomputer. Operating the computer with the cover removed might damage thecomputer components.To reinstall the cover, see “Installing the cover” on page 69.Working with adaptersYour computer comes with adapter connectors, called slots. The AGP video adapteris installed in the AGP slot. You can install up to three PCI adapters in expansionslots 1 through 3. All PCI expansion slots are 32-bit, 33 MHz slots.Note: The illustrations in this document might differ slightly from your hardware.60 IBM®IntelliStation®E Pro: User’s Guide IntelliStation E Pro Types 6836, 6846