Installing System Components 99Installing a Non-Redundant Power SupplyCAUTION: Many repairs may only be done by a certified service technician.You should only perform troubleshooting and simple repairs as authorized inyour product documentation, or as directed by the online or telephone serviceand support team. Damage due to servicing that is not authorized by Dell isnot covered by your warranty. Read and follow the safety instructions thatcame with the product.1 Turn off the system, including any attached peripherals, and disconnectthe system from its electrical outlet.1 Open the system. See "Opening the System" on page 82.2 Place the power supply on the chassis. See Figure 3-11. Tighten the screwto secure the power supply to the chassis.3 Connect all the power cables to the system board, hard drive(s), andoptical drive.4 Replace the system cover. See "Closing the System" on page 83.5 Connect the power cable to the power supply and plug the cable into apower outlet.Expansion Card and Expansion-Card RiserExpansion Card Installation GuidelinesYour system supports one x16 Gen2 PCIe expansion card installed in the slot 1connector on the expansion-card riser.CAUTION: Expansion card can only be installed in the slots on the expansion-card riser. Do not attempt to install expansion cards directly into the riserconnector on the system board.• The expansion slot supports full-height, half-length cards.• The expansion-card slot is not hot-swappable.• PCI Express Generation 2 expansion card is supported in the slot.CAUTION: To ensure proper cooling, only one of the two expansion cards canhave a power consumption of greater than 15 W (up to 25 W maximum), notincluding the integrated storage controller.
