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
Boot Settings Screen
Menu Item Description
Boot Mode Allows you to set the boot mode of the system.
CAUTION: Switching the boot mode may prevent the system from booting if the operating
system is not installed in the same boot mode.
If the operating system supports UEFI, you can set this option to UEFI. Setting this field to BIOS
allows compatibility with non-UEFI operating systems. By default, the Boot Mode option is set
to BIOS.
NOTE: Setting this field to UEFI disables BIOS Boot Settings menu. Setting this field to
BIOS disables the UEFI Boot Settings menu.
Boot Sequence Retry Allows you to enable or disable the boot sequence retry feature. If this field is enabled and the
system fails to boot, the system reattempts the boot sequence after 30 seconds. By default, the
Boot Sequence Retry option is set to Disabled.
BIOS Boot Settings Allows you to enable or disable BIOS Boot options.
NOTE: This option is enabled only if the boot mode is BIOS.
UEFI Boot Settings Allows you to enable or disable UEFI Boot options. The Boot options include IPv4 PXE and IPv6
PXE. By default, the UEFI PXE boot protocol is set to IPv4.
NOTE: This option is enabled only if the boot mode is UEFI.
One-Time Boot Allows you to enable or disable a one-time boot from a selected device.
Integrated Devices Screen
Menu Item Description
Integrated RAID
Controller
Allows you to enable or disable the integrated RAID controller. By default, the Integrated RAID
Controller option is set to Enabled.
User Accessible USB
Ports
Allows you enable or disable the user accessible USB ports. Selecting Only Back Ports On
disables the front USB ports and selecting All Ports Off disables both front and back USB ports.
By default, the User Accessible USB Ports option is set to All Ports On.
Internal USB Port Allows you to enable or disable the internal USB port. By default, the Internal USB Port option
is set to On.
Internal SD Card Port Enables or disables the system’s internal SD card port. By default, Internal SD Card Port option
is set to On.
NOTE: This option is displayed only if IDSDM is installed on the system board.
Internal SD Card
Redundancy
If set to Mirror mode, data is written on both SD cards. If any one of the SD card fails, data is
written to the active SD card. Data from this card is copied to the replacement SD card at the
next boot. By default, Internal SD Card Redundancy option is set to Mirror.
24