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

Miscellaneous Settings
Menu Item Description
System Time Allows you to set the time on the system.
System Date Allows you to set the date on the system.
Asset Tag Displays the asset tag and allows you to modify it for security and tracking purposes.
Keyboard NumLock Allows you to set whether the system boots with the NumLock enabled or disabled. By default
the Keyboard NumLock is set to On.
NOTE: This option does not apply to 84-key keyboards.
Report Keyboard
Errors
Allows you to set whether keyboard-related error messages are reported during system boot.
By default, the Report Keyboard Errors option is set to Report.
F1/F2 Prompt on Error Allows you to enable or disable the F1/F2 prompt on error. By default, F1/F2 Prompt on Error is
set to Enabled.
In-System
Characterization
This option enables or disables In-System Characterization. By default, In-System
Characterization is set to Enabled.
System And Setup Password Features
You can create a system password and a setup password to secure your system. To enable creation of the system and
setup password, the password jumper must be set to enabled. For more information on the password jumper settings,
see System Board Jumper Settings.
System password This is the password that you must enter before you can boot your system.
Setup password This is the password that you must enter to access and make changes to the BIOS or UEFI
settings of your system.
CAUTION: The password features provide a basic level of security for the data on your system.
CAUTION: Anyone can access the data stored on your system if the system is running and unattended.
NOTE: Your system is shipped with the system and setup password feature disabled.
Assigning A System And/Or Setup Password
NOTE: The password jumper enables or disables the System Password and Setup Password features. For more
information on the password jumper settings, see System Board Jumper Settings.
You can assign a new System Password and/or Setup Password or change an existing System Password and/or Setup
Password only when the password jumper setting is enabled and Password Status is Unlocked. If the Password Status
is Locked, you cannot change the System Password and/or Setup Password.
If the password jumper setting is disabled, the existing System Password and Setup Password is deleted and you need
not provide the system password to boot the system.
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