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
Error Code Message Information
AMP0302
Message The system board <
name
> current is greater than the upper warning
threshold.
Details System board <
name
> current is outside of the optimum range.
Action
1. Review system power policy.
2. Check system logs for power related failures.
3. Review system configuration changes.
4. If the issue persists, see Getting Help.
AMP0303
Message The system board <
name
> current is greater than the upper critical
threshold.
LCD Message System board <
name
> current is outside of range.
Details System board <
name
> current is outside of the optimum range.
Action
1. Review system power policy.
2. Check system logs for power related failures.
3. Review system configuration changes.
4. If the issue persists, see Getting Help.
ASR0000
Message The watchdog timer expired.
Details The operating system or an application failed to communicate within
the time-out period.
Action Check the operating system, application, hardware, and system event
log for exception events.
ASR0001
Message The watchdog timer reset the system.
Details The operating system or an application failed to communicate within
the time-out period. The system was reset.
Action Check the operating system, application, hardware, and system event
log for exception events.
ASR0002
Message The watchdog timer powered off the system.
Details The operating system or an application failed to communicate within
the time-out period. The system was shut down.
Action Check the operating system, application, hardware, and system event
log for exception events.
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