Dell GX280DT User Guide - Page 202

6. When installing the card into the x16 card connector, position the card so the securing slot is aligned with the securing tab, and gently pull the securing tab. 7. Place the card in the connector and press down firmly. Ensure that the card is fully seated in the slot. If the card is full-length, insert the end of the card into the card guide bracket as you lower the card toward its connector on the system board. Insert the card firmly into the card connector on the system board. 1 bracket within slot 2 bracket caught outside of slot 3 fully seated card 4 not fully seated card 8. Before you lower the retention arm, 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. 9. Press the retention arm into place, securing the card(s) in the computer. 1 alignment guide 2 filler bracket 3 alignment bar 4 retention arm NOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment. 10. Connect any cables that should be attached to the card. See the documentation for the card for information about the card's cable connections. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.