Owner's Manual
Table Of Contents
- Dell PowerEdge R920 System Owner's Manual
- About Your System
- Using The System Setup and Boot Manager
- Installing System Components
- Recommended Tools
- Front Bezel (Optional)
- Opening And Closing The System
- Inside The System
- Cable Management Tray
- System Memory
- General Memory Module Installation Guidelines
- Mode-Specific Guidelines
- Advanced ECC (Lockstep)
- Memory Optimized (Independent Channel) Mode
- Memory Sparing
- Memory Mirroring
- Fault Resilient Memory
- Sample Memory Configurations
- Removing A Memory-Riser Blank
- Installing A Memory-Riser Blank
- Removing A Memory Riser
- Installing A Memory Riser
- Removing Memory Modules From The Memory Riser
- Installing Memory Modules
- Memory Riser And Fan Cage
- Hard Drives
- Optical Drive (Optional)
- Cooling Fans
- Internal USB Memory Key (Optional)
- Expansion Cards And Expansion-Card Risers
- Expansion Card Installation Guidelines
- Removing The Left Expansion Card Riser Blank
- Installing The Left Expansion Card Riser Blank
- Removing The Right Expansion Card Riser Blank
- Removing An Expansion Card From Expansion-Card Risers 2 and 3
- Installing An Expansion Card Into The Expansion-Card Riser 2 and 3
- NDC Riser (I/O Riser 1)
- Network Daughter Card
- SD vFlash Card
- Internal Dual SD Module
- Internal SD Card
- Integrated Storage Controller Card
- RAID Battery
- Processors
- Power Supplies
- Hot Spare Feature
- Removing An AC Power Supply
- Installing An AC Power Supply
- Wiring Instructions For A DC Power Supply
- Assembling And Connecting The Safety Ground Wire
- Assembling The DC Input Power Wires
- Removing A DC Power Supply
- Installing A DC Power Supply
- Removing The Power Supply Blank
- Installing The Power Supply Blank
- Power Distribution Board
- System Battery
- Hard-Drive Backplane
- SAS Expander Daughter Card
- Control Panel Board
- System Board
- Troubleshooting Your System
- Safety First—For You And Your System
- Troubleshooting System Startup Failure
- Troubleshooting External Connections
- Troubleshooting The Video Subsystem
- Troubleshooting A USB Device
- Troubleshooting A Serial I/O Device
- Troubleshooting A Wet System
- Troubleshooting A Damaged System
- Troubleshooting The System Battery
- Troubleshooting Power Supplies
- Troubleshooting Cooling Problems
- Troubleshooting Cooling Fans
- Troubleshooting System Memory
- Troubleshooting An Internal USB Key
- Troubleshooting An SD Card
- Troubleshooting An Optical Drive
- Troubleshooting A Hard Drive
- Troubleshooting A Storage Controller
- Troubleshooting Expansion Cards
- Troubleshooting Processors
- Using System Diagnostics
- Jumpers And Connectors
- Technical Specifications
- System Messages
- Getting Help
Using The Boot Manager Navigation Keys
Key Description
Up arrow Moves to the previous field.
Down arrow Moves to the next field.
<Enter> Allows you to type in a value in the selected field (if applicable) or follow the link in the field.
Spacebar Expands or collapses a drop-down list, if applicable.
<Tab> Moves to the next focus area.
NOTE: For the standard graphics browser only.
<Esc> Moves to the previous page till you view the main screen. Pressing <Esc> in the main screen
exits the Boot Manager and proceeds with system boot.
<F1> Displays the System Setup help file.
NOTE: For most of the options, any changes that you make are recorded but do not take effect until you restart the
system.
Boot Manager Screen
Menu Item Description
Continue Normal
Boot
The system attempts to boot to devices starting with the first item in the boot order. If the boot
attempt fails, the system continues with the next item in the boot order until the boot is
successful or no more boot options are found.
BIOS Boot Menu Displays the list of available BIOS boot options (marked with asterisks). Select the boot option
you wish to use and press <Enter>.
UEFI Boot Menu Displays the list of available UEFI boot options (marked with asterisks). Select the boot option
you wish to use and press <Enter>. The UEFI Boot Menu enables you to Add Boot Option,
Delete Boot Option, or Boot From File.
Driver Health Menu Displays a list of the drivers installed on the system and their health status.
Launch System Setup Enables you to access the System Setup.
Launch Lifecycle
controller
Enables you to access the Lifecycle Controller menu.
System Utilities Enables you to access the BIOS Update File Explorer, run the Dell Diagnostics program, and
reboot the system.
UEFI Boot Menu
Menu Item
Description
Select UEFI Boot
Option
Displays the list of available UEFI boot options (marked with asterisks), select the boot option
you wish to use and press <Enter>.
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