Dell OptiPlex 755 User's Guide - Page 41

Cards CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located 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: • Two PCI card slots • One PCI Express x16 card slot • One PCI Express x1 card slot 1 4 2 3 5 1 PCI Express x16 card 2 securing tab (only for PCI Express cards) 3 PCI Express x16 card slot 4 PCI Express x1 card 5 PCI Express x1 card slot Installing a PCI or PCI Express Card NOTE: Your Dell computer uses only PCI and PCI Express slots. NOTE: The serial port adapter for your mini tower computer includes two PS/2 connectors. Cards 41