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

System Setup Main Screen
NOTE: Press <Alt><F> 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 listed under their respective options in the following sections, where applicable.
Menu Item Description
System Information Displays information about the system such as the system model name, BIOS version, Service
Tag, and so on.
Memory Settings Displays information and options related to installed memory.
Processor Settings Displays information and options related to the processor such as speed, cache size, and so
on.
SATA Settings Displays options to enable or disable the integrated SATA controller and ports.
Boot Settings Displays options to specify the boot mode (BIOS or UEFI). Enables you to modify UEFI and BIOS
boot settings.
Integrated Devices Displays options to enable or disable integrated device controllers and ports, and to specify
related features and options.
Serial Communication Displays options to enable or disable the serial ports and specify related features and options.
System Profile
Settings
Displays options to change the processor power management settings, memory frequency,
and so on.
System Security Displays options to configure the system security settings like, system password, setup
password, TPM security, and so on. It also enables or disables support for local BIOS update,
the power and NMI buttons on the system.
Miscellaneous
Settings
Displays options to change the system date, time, and so on.
System Information Screen
Menu Item Description
System Model Name Displays the system model name.
System BIOS Version Displays the BIOS version installed on the system.
System Service Tag Displays the system Service Tag.
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