Dell OptiPlex 740 User's Guide - Page 56
PS/2 Serial Port Adapters, NOTICE, CAUTION
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b Connect external audio devices to the audio connectors on the back panel of the computer. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. 13 If you removed a network-adapter card connector: a Enter system setup, select Integrated NIC from the Onboard Devices group, and change the setting to On (see "System Setup" on page 257). b Connect the network cable to the integrated network connector on the back panel of the computer. PS/2 Serial Port Adapters 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. Installing a PS/2 Serial Port Adapter 1 Follow the procedures in "Before You Begin" on page 19. 2 Gently push the release tab on the card retention latch from the inside to pivot the latch open. The latch will remain in the open position. 56 Mini Tower Computer