Item Indicator, button, orconnector Icon Description4 PCIe expansion card slots (2) Enables you to connect PCI Express expansion cards.5 Power supply unit (PSU1 andPSU2)Enables you to install up to two 350 W redundant AC powersupply units.6 USB connectors Enables you to connect USB devices to the system. These portsare USB 3.0-compliant.7 Ethernet connectors Enables you to connect Integrated 10/100/1000 Mbps NICconnectors.8 System identification button Enables you to locate a particular system within a rack. Theidentification buttons are on the front and back panels. Whenone of these buttons is pressed, the LCD panel on the front andthe system status indicator on the back flash until one of thebuttons is pressed again.Press the system identification button to turn the system ID onor off.If the system stops responding during POST, press and hold thesystem ID button for more than five seconds to enter BIOSprogress mode.To reset iDRAC (if not disabled in F2 iDRAC setup), press andhold the button for more than 15 seconds.9 System identificationconnectorConnects the optional system status indicator assembly throughthe optional cable management arm.10 Video connector Enables you to connect a VGA display to the system.Diagnostic indicatorsThe diagnostic indicators on the system indicate operation and error status.Diagnostic indicators on the front panelNOTE: No diagnostic indicators are lit when the system is turned off. To start the system, plug it into a working powersource and press the power button.Table 5. Diagnostic indicatorsIcon Description Condition Corrective actionHealth indicator The indicator turns solid blue if thesystem is in good health.None required.The indicator flashes amber:• When the system is turned on.• When the system is in standby.• If any error condition exists. Forexample, a failed fan, PSU, or ahard drive.Check the System Event Log or system messages forthe specific issue. For more information about errormessages, see the Dell Event and Error MessagesReference Guide at Dell.com/openmanagemanuals >OpenManage software.The POST process is interrupted without any videooutput due to invalid memory configurations. See theGetting help section.16
