b. Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the microphone, speaker/headphone,or line-in connectors on the back panel of the computer.15. If you installed a network adapter card and want to turn off the integrated network adapter:a. Enter system setup, select System Configuration® Integrated NIC, and change the setting to Disabled. (See Entering System Setup).b. Connect the network cable to the network adapter card's connectors. Do not connect the network cable to the integrated network connector onthe back panel of the computer.16. Install any drivers required for the card as described in the card documentation.PS/2 Serial Port AdapterInstalling a PS/2 Serial Port Adapter1. Follow the procedures in Working on Your Computer.2. Remove the computer cover (see Removing the Computer Cover).3. Gently lift the release tab on the card retention latch from the inside to pivot the latch open. Pivot the latch until it snaps into the open position.4. Remove the filler bracket (if applicable).5. Align the PS/2 serial-port adapter bracket in the retention slot and press down firmly. Ensure that the adapter is fully seated in the slot.6. Before you close the card retention mechanism, ensure that:l The tops of all cards and filler brackets are flush with the alignment bar.l The notch in the top of the card or filler bracket fits around the alignment guide.7. Secure the card(s) by closing the card retention latch and snapping it into place.CAUTION: If you disable the integrated network adapter, you will not have AMT functionality.WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any ofyour computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.NOTE: See the documentation that came with the adapter for information on configuring the adapter, making internal connections, or customizingit for your computer.CAUTION: Do not route card cables over the cards. Cables routed over the cards can prevent the computer cover from closing properly or causedamage to the equipment.