Table 8. iDRAC Direct LED indicator codesiDRAC Direct LEDindicator code ConditionSolid green for two seconds Indicates that the laptop or tablet is connected.Flashing green (on for twoseconds and off for twoseconds)Indicates that the laptop or tablet connected is recognized.Turns off Indicates that the laptop or tablet is unplugged.Back view of the systemYou can access the following components from the back of the system:Figure 7. Back view featuresTable 9. Features available on the back of the systemItem Slot, button, or connector Icon Description1 expansion card riser (right) N/A The expansion card riser (right) supports up to three full-height PCIExpress expansion cards. For more information, see the Expansion cardinstallation guidelines section.2 expansion card slot N/A The expansion slots on the system board supports full-height half-lengthPCI Express expansion cards.3 NIC port (4) The NIC ports that are integrated on the network daughter card (NDC)provide network connectivity. For more information about the supportedconfigurations, see the Technical specifications section.4 expansion card riser (left) N/A The expansion card riser (left) supports up to three full-height PCIExpress expansion cards. For more information, see the Expansion cardinstallation guidelines section.5 Power supply unit (2) For more information, see the Technical specifications section.14 PowerEdge R940 overview