Dell OptiPlex 755 User's Guide - Page 181

Cards CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis. NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets keep dust and dirt out of your computer and maintains the airflow that cools your computer. Your Dell™ computer supports a PS/2 serial port adapter and provides the following connectors for PCI and PCI Express cards: • One low-profile PCI card slot • One low-profile PCI Express x16 card slot NOTE: Your Dell computer uses only PCI and PCI Express slots. ISA cards are not supported. PCI Cards Installing a PCI Card 1 Follow the procedures in "Before You Begin" on page 21. 2 Remove the computer cover (see "Removing the Computer Cover" on page 168). NOTE: For PCI card locations, see "System Board Components" on page 172. 3 Gently lift the release tab on the card retention latch from the inside and pivot the latch open. Expansion Cards 181