Dell EMC PowerEdge C6420 Referenzhandbuch - Seite 8
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Option
Description
System Memory
Specifies whether the system memory tests are run during system boot. Options are Enabled and
Testing
Disabled. This option is set to Disabled by default.
Dram Refresh
By enabling the CPU memory controller to delay running the REFRESH commands, you can improve
Delay
the performance for some workloads. By minimizing the delay time, it is ensured that the memory
controller runs the REFRESH command at regular intervals. For lntel-based servers, this setting only
affects systems configured with DIMMs which use 8 Gb density DRAMS.
Bank XOR
Enables XORing to alleviate bank thrashing. This option is set to Disabled by default.
Memory
Specifies the memory operating mode. The options available are Optimizer Mode, Single Rank Spare
Operating Mode
Mode, Multi Rank Spare Mode, Mirror Mode, and Dell Fault Resilient Mode. This option is set to
Optimizer Mode by default.
Current State
Specifies the current state of the memory operating mode.
of Memory
Operating Mode
Node Interleaving Specifies if Non-Uniform Memory Architecture (NUMA) is supported. If this field is set to Enabled,
memory interleaving is supported if a symmetric memory configuration is installed. If this field is set
to Disabled, the system supports NUMA (asymmetric) memory configurations. This option is set to
Disabled by default.
ADDDC Setting
Enables or disables ADDDC Setting feature. This field enables you to set the ADDDC Setting to either
X8 or Disabled. This option is set to Disabled by default.
Native tRFC
Enables 16 Gb density DIMMs to operate at their programmed Row Refresh Cycle Time (tRFC). Enabling
Timing for 16Gb
this feature may improve system performance for some configurations. However, enabling this feature
DIMMs
has no effect on configurations with 16 Gb 3DS/TSV DIMMs. This option is set to Enabled by default.
Opportunistic
Enables or disables opportunistic self-refresh feature. This option is set to Disabled by default and is not
Self-Refresh
supported when DCPMMs are in the system.
Correctable Error
Enables or disables logging of correctable memory threshold error. This option is set to Disabled by
logging
default.
DIMM Self
Enable/Disable Post Package Repair (PPR) on Uncorrectable Memory Error. This option is set to Enabled
Healing (Post
by default.
Package Repair)
on Uncorrectable
Memory Error
Processor Settings
You can use the Processor Settings screen to view the processor settings and perform specific functions such as enabling
virtualization technology, hardware prefetcher, logical processor idling.
Viewing Processor Settings
To view the Processor Settings screen, perform the following steps:
Steps
1. Power on, or restart your system.
8
Pre-operating system management applications
NOTE:
The Memory Operating Mode option can have different default and available options based
on the memory configuration of your system.
NOTE:
The Dell Fault Resilient Mode option establishes an area of memory that is fault resilient.
This mode can be used by an operating system that supports the feature to load critical applications
or enables the operating system kernel to maximize system availability.