Dell OptiPlex 755 User's Guide - Page 103

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 on the system board for PCI and PCI Express cards: • Two connectors for low-profile PCI cards • One connector for a low-profile PCI Express x16 card NOTE: Your Dell computer includes only PCI and PCI Express card connectors. ISA cards are not supported. PCI Cards Installing a PCI Card If you are replacing a PCI card, remove the current driver for the card from the operating system. See the documentation that came with the card for information. 1 Follow the procedures in "Before You Begin" on page 21. 2 Remove the computer cover (see "Removing the Computer Cover" on page 90). 3 Gently press the release tab on the card-retention latch all the way up. Expansion Cards 103