Item Indicator, button, orconnector Icon DescriptionIf the system stops responding during POST, pressand hold the system ID button for more than fiveseconds to enter BIOS progress mode.To reset iDRAC (if not disabled in F2 iDRAC set up)press and hold the button for more than 15seconds.2 System identificationconnectorConnects the optional system status indicatorassembly through the optional cable managementarm.3 iDRAC8 Enterprise port Dedicated management port.4 Half-height PCIeexpansion card slot (3)Enables you to connect up to 3 half-height PCIExpress expansion cards.5 Serial connector Enables you to connect a serial device to thesystem.6 Video connector Enables you to connect a VGA display to thesystem.7 USB port (2) Enables you to connect USB devices to the system.The ports are USB 3.0-compliant.8 Full-height PCIeexpansion card slot (3)Enables you to connect up to 3 full-height PCIExpress expansion cards.9 Ethernet connector (4) Four integrated 10/100/1000 Mbps NetworkInterface Card (NIC) connectorsorFour integrated connectors that include:• Two 10/100/1000 Mbps NIC connectors• Two 100 Mbps/1 Gbps/10 Gbps SFP+/10 GbE Tconnectors10 Power supply unit (PSU1) AC 1100 W11 Power supply unit(PSU2) AC 1100 WGUID-7C7A87CF-08E8-43D0-8489-A73E2CD220DDDiagnostic indicators on the front panelNOTE: The diagnostic indicators are not present if the system is equipped with an LCD display.NOTE: No diagnostic indicators are lit when the system is turned off. To start the system, plug it intoa working power source and press the power button.11