90 Installing System Components6 Attach the card to the expansion-bay bracket:a Position the RAC card on the expansion-bay bracket so that the plastic standoff at the back of thebracket inserts into the notch on the edge of the RAC card.b Carefully press the back end of the card onto the two plastic standoffs until the clips on thestandoffs snap over the card edges. See Figure 3-22.7 Attach the ribbon cables to the RAC card connectors (see Figure 3-22) and to the RAC connectorson the system board (see Figure 6-2):NOTICE: Be careful when attaching cables to the system board that you do not damage the surrounding systemboard components. Be particularly careful that you do not push or bend the system capacitors near the connectors.a Connect the 50-pin ribbon cable.Connect the cable connector labeled DRAC to the 50-pin connector (RAC connector 1) on theRAC card, and connect the other cable connector to the RAC_CONN_1 connector on the systemboard.b Connect the 44-pin ribbon cable.Connect the cable connector labeled DRAC to the 44-pin connector (RAC connector 2) on theRAC card, and connect the other cable connector to the RAC_CONN_2 connector on the systemboard.8 Reinstall the cooling shroud. See "Installing the Cooling Shroud" on page 82.NOTICE: Never operate your system with the memory cooling shroud removed. Overheating of the system candevelop quickly resulting in a shutdown of the system and the loss of data.9 Close the system. See "Closing the System" on page 48.10 Reconnect the system to the electrical outlet and turn on the system and attached peripherals.11 Enter the System Setup program and verify that the setting for the RAC card has changed to reflectthe presence of the card. See "Using the System Setup Program" on page 33.See the RAC card documentation for information on configuring and using the RAC card.Internal USB Memory KeyCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.1 Turn off the system, including any attached peripherals, and disconnect the system from the electricaloutlet.2 Open the system. See "Opening the System" on page 48.3 If present, remove the cap covering the USB connector on the system board.4 Insert the USB memory key into the USB connector on the system board.book.book Page 90 Tuesday, September 1, 2009 4:19 PM