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                        Dell PowerEdge R820
Owner's Manual
Regulatory Model: E21S Series
Regulatory Type: E21S001                                                                                                                                                                                                                                                                                                                                                                                                                           
                    
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                        Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the  problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2013 Dell Inc. All Rights Reserved. ™ ™ ™ ™ ™ ™ ™ Trademarks used in this text: Dell , the Dell logo, Dell Boomi , Dell Precision , OptiPlex , Latitude , PowerEdge
                    
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                        Contents 1 About Your System......................................................................................................................9 Front-Panel Features And Indicators....................................................................................................................... 9 LCD Panel Features.................................................................................................................................................10 Home Screen..................
                    
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                        UEFI Boot Menu............................................................................................................................................... 30 Embedded System Management............................................................................................................................30 iDRAC Settings Utility..............................................................................................................................................30 Entering The iDRAC 
                    
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                        Internal USB Memory Key (Optional)..................................................................................................................... 58 Replacing The Internal USB Key......................................................................................................................58 Expansion Cards And Expansion-Card Risers........................................................................................................ 59 Expansion Cards Installation Guidelines......
                    
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                        Removing The Control-Panel Assembly...........................................................................................................98 Installing The Control-Panel Assembly............................................................................................................ 99 System Board..........................................................................................................................................................99 Removing The System Board............
                    
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                        7 Technical Specifications....................................................................................................... 119 8 System Messages...................................................................................................................125 LCD Messages......................................................................................................................................................125 Viewing LCD Messages............................................
                    
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                        1 About Your System Front-Panel Features And Indicators Figure 1. Front-Panel Features And Indicators—16 Hard Drive System Item Indicator, Button, or Icon Description Connector 1 Power-on indicator, power The power-on indicator lights when the system power is  button on. The power button controls the power supply output to  the system. NOTE: On ACPI-compliant operating systems, turning  off the system using the power button causes the  system to perform a graceful shutdown before power  to the s
                    
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                        Item Indicator, Button, or Icon Description Connector 5 LCD menu buttons Allows you to navigate the control panel LCD menu. 6 Information tag A slide-out label panel which allows you to record system  information such as Service Tag, NIC, MAC address, and  so on as per your need. 7 LCD panel Displays system ID, status information, and system error  messages. The LCD lights blue during normal system  operation. The LCD lights amber when the system needs  attention, and the LCD panel displays an e
                    
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                        Item Button Description 1 Left Moves the cursor back in one-step  increments. 2 Select Selects the menu item highlighted by  the cursor. 3 Right Moves the cursor forward in one-step  increments. During message scrolling: • Press once to increase scrolling  speed • Press again to stop • Press again to return to default  scrolling speed • Press again to repeat the cycle Home Screen The Home screen displays user-configurable information about the system. This screen is displayed during normal  syst
                    
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                        Option Description iDRAC IP Displays the IPv4 or IPv6 addresses for the iDRAC7. Addresses include DNS (Primary and  Secondary), Gateway, IP, and Subnet (IPv6 does not have Subnet). MAC Displays the MAC addresses for iDRAC, iSCSI, or Network devices. Name Displays the name of the Host, Model, or User String for the system Number Displays the Asset tag or the Service tag for the system. Power Displays the power output of the system in BTU/hr or Watts. The display format can be  configured in the S
                    
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                        Drive-Status Condition Indicator Pattern  (RAID Only) Blinks amber four Drive failed times per second Blinks green slowly Drive rebuilding Steady green Drive online Blinks green three Rebuild aborted seconds, amber three  seconds, and off six  seconds Back-Panel Features And Indicators Figure 4. Back-Panel Features and Indicators Item Indicator, Button, or Icon Description Connector 1 PCIe expansion card slots Allows you to connect a PCI Express expansion card. (2) 2 USB connectors (2) Allows yo
                    
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                        Item Indicator, Button, or Icon Description Connector NOTE: The port is available for use only if the iDRAC7  Enterprise license is installed on your system. 8 System identification Allows you to connect the optional system status indicator  connector assembly through the optional cable management arm. 9 System identification button The identification buttons on the front and back panels  can be used to locate a particular system within a rack.  When one of these buttons is pressed, the LCD pane
                    
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                        Indicator Indicator Code Link and activity The NIC is not connected to the network. indicators are off Link indicator is The NIC is connected to a valid network at its maximum port speed (1 Gbps or 10 Gbps). green Link indicator is The NIC is connected to a valid network at less than its maximum port speed. amber Activity indicator is Network data is being sent or received. blinking green Power Indicator Codes Each AC power supply has an illuminated translucent handle and each DC power supply (w
                    
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                        Power Indicator Condition Pattern Not lit Power is not connected. Green The handle/LED indicator lights green indicating that a valid power source is connected to the  power supply and that the power supply is operational. Flashing amber Indicates a problem with the power supply. CAUTION: When correcting a power supply mismatch, replace only the power supply with  the flashing indicator. Swapping the opposite power supply to make a matched pair can  result in an error condition and unexpected sy
                    
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                        2 Using The System Setup And Boot Manager System Setup enables you to manage your system hardware and specify BIOS-level options. The following keystrokes provide access to system features during startup: Keystroke Description Enters the System Setup.  Enters System Services, which opens the Dell Lifecycle   Controller 2 (LC2). The Dell LC2 supports systems  management features such as operating system  deployment, hardware diagnostics, firmware updates, and  platform configuration, usi
                    
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                        • UEFI boot mode is an enhanced 64-bit boot interface based on Unified Extensible Firmware Interface (UEFI)  specifications that overlays the system BIOS. You must select the boot mode in the Boot Mode field of the Boot Settings screen of System Setup. Once you specify the  boot mode, the system boots in the specified boot mode and you then proceed to install your operating system from that  mode. Thereafter, you must boot the system in the same boot mode (BIOS or UEFI) to access the installed o
                    
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                        System Setup Options System Setup Main Screen NOTE: Press  to reset the BIOS or UEFI settings to their default settings. Menu Item Description System BIOS This option is used to view and configure BIOS settings. iDRAC Settings This option is used to view and configure iDRAC settings. Device Settings This option is used to view and configure device settings. System BIOS Screen NOTE: The options for System Setup change based on the system configuration. NOTE: System Setup defaults are list
                    
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                        Menu Item Description System BIOS Version Displays the BIOS version installed on the system. System Service Tag Displays the system Service Tag. System Manufacturer Displays the name of system manufacturer. System Manufacturer Displays the contact information of the system manufacturer. Contact Information Memory Settings Screen Menu Item Description System Memory Size Displays the amount of memory installed in the system. System Memory Type Displays the type of memory installed in the system. S