Dell GX280DT User Guide - Page 204

a. Enter system setup, select Network Controller, and change the setting to On. b. Connect the network cable to the integrated connector on the computer back panel. Serial Port Adapters 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: The serial port adapter for your small form-factor computer also includes one PS/2 connector. Installing a Serial Port Adapter 1. Follow the procedures in "Before You Begin." 2. Raise the retention arm. 3. Remove the filler bracket. 4. Slide the serial port adapter bracket down over the card slot opening, and lower the retention arm, ensuring 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. 1 SER_PS2 system board connector 2 serial adapter cable 3 serial port adapter bracket 4 card slot opening 5. Remove the microprocessor heat sink as explained in "Processor." 6. Attach the serial adapter cable to the connector labeled "SER_PS2" on the system board. 7. Replace the microprocessor heat sink as explained in "Processor." 8. Press the arm into place, securing the card(s) in the computer. 9. Proceed with step 7 in the next procedure. Removing a Serial Port Adapter