45Installing expansion cardsThis section explains how to install an expansion card. The onboardexpansion slots support PCI (Peripheral Component Interconnect)cards. Before installing expansion cards, observe ESD precautions andPre-installation precautions as noted on page 40.Note: The BIOS setup automatically detects and assigns resourcesto the new device (applicable only to Plug-and-Play expansioncards).To install an expansion card1 Remove the system cover. See “To remove the top panel” on page43 for more information.2 Loosen the thumbscrews on the expansion card riser bracket (1),then gently lift the riser from the chassis (2).3 Remove the expansion slot cover from the rear of the metalbracket.