User Guide
Table Of Contents
- Dell PowerEdge R720 and R720xd 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
- Cooling Shroud
- System memory
- Hard Drives
- Removing A 2.5 Inch Hard-Drive Blank
- Installing A 2.5 Inch Hard-Drive Blank
- Removing A 2.5 Inch Hard-Drive Blank (Back)
- Installing A 2.5 Inch Hard-Drive Blank (Back)
- Removing A 3.5 Inch Hard-Drive Blank
- Installing A 3.5 Inch Hard-Drive Blank
- Removing A Hot-Swap Hard Drive
- Installing A Hot-Swap Hard Drive
- Removing A Hard Drive From A Hard-Drive Carrier
- Installing A Hard Drive Into A Hard-Drive Carrier
- Optical Drive (Optional)
- Cooling Fans
- Internal USB Memory Key (Optional)
- PCIe Card Holder
- Top Cover Lock Latch
- Cable Retention Bracket
- Expansion Cards And Expansion-Card Risers
- Expansion Card Installation Guidelines
- Removing An Expansion Card From The Expansion-Card Riser 2 Or 3
- Installing An Expansion Card Into The Expansion-Card Riser 2 Or 3
- Removing An Expansion Card From The Expansion-Card Riser 1
- Installing An Expansion Card Into The Expansion-Card Riser 1
- Removing Expansion-Card Risers
- Installing Expansion-Card Risers
- GPU Card Installation Guidelines
- Installing A GPU Card
- Removing A GPU Card
- SD vFlash Card
- Internal Dual SD Module
- Internal SD Card
- Integrated Storage Controller Card
- Network Daughter Card
- Processors
- Power Supplies
- System Battery
- Hard-Drive Backplane
- 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 NIC
- 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 Tape Backup Unit
- 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
Menu Item Description
Redirection After
Boot
Allows you to enable or disable to the BIOS console redirection when the operating system is
loaded. By default, the
Redirection After Boot option is set to Enabled.
System Profile Settings Screen
Menu Item Description
System Profile Allows you to set the system profile. If you set the System Profile option to a mode other than
Custom
, the BIOS automatically sets the rest of the options. You can only change the rest of the
options if the mode is set to Custom. By default, the System Profile option is set to Performance
Per Watt Optimized (DAPC). DAPC is Dell Active Power Controller.
NOTE
: The following parameters are available only when the System Profile is set to
Custom.
CPU Power
Management
Allows you to set the CPU power management. By default, the
CPU Power Management option
is set to System DBPM (DAPC). DBPM is Demand-Based Power Management.
Memory Frequency Allows you to set the memory frequency. By default, the Memory Frequency option is set to
Maximum Performance.
Turbo Boost Allows you to enable or disable the processor to operate in turbo boost mode. By default, the
Turbo Boost option is set to Enabled.
C1E Allows you to enable or disable the processor to switch to a minimum performance state when
it is idle. By default, the C1E option is set to Enabled.
C States Allows you to enable or disable the processor to operate in all available power states. By
default, the C States option is set to Enabled.
Monitor/Mwait Allows you to enable Monitor/Mwait instructions in the processor. By default, the Monitor/
Mwait option is set to Enabled for all system profiles, except Custom.
NOTE
: This option can be disabled only if the C States option in Custom mode is disabled.
NOTE
: When C States is enabled in Custom mode, changing the Monitor/Mwait setting
does not impact system power/performance.
Memory Patrol Scrub Allows you to set the memory patrol scrub frequency. By default, the
Memory Patrol Scrub
option is set to Standard.
Memory Refresh Rate Allows you to set the memory refresh rate. By default, the Memory Refresh Rate option is set to
1x.
Memory Operating
Voltage
Allows you to set the DIMM voltage selection. When set to Auto, the system automatically sets
the system voltage to the optimal setting based on the DIMM capacity and the number of
DIMMs installed. By default, the Memory Operating Voltage option is set to Auto.
Collaborative CPU
Performance Control
When set to Enabled, the CPU power management is controlled by the OS DBPM and the
System DBPM (DAPC). By default, the option is set to Disabled.
28