Dell PowerEdge R640 EMC PowerEdge R640 Installation and Service Manual - Page 50

Persistent Memory details, Processor Settings, Viewing Processor Settings

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Option Description 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. NOTE: Only Optimizer Mode should be selected when Intel DC Optane Persistent Memory is installed. Current State of Specifies the current state of the memory operating mode. 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. When Adaptive Double DRAM Device Correction (ADDDC) is enabled, failing DRAMs are dynamically mapped out. When set to Enabled it can have some impact to system performance under certain workloads. This feature is applicable for x4 DIMMs only. This option is set to Enabled by default. Opportunistic Self-Refresh Enables or disables opportunistic self-refresh feature. This option is set to Disabled by default and is not supported when DCPMMs are in the system. Correctable Error Enables or disables logging of correctable memory threshold error. This option is set to Enabled by default. logging Persistent Memory This field controls Persistent Memory on the system. This option is only available if the persistent memory module is installed in the system. Persistent Memory details About this task The Persistent Memory screen details can be found in the NVDIMM-N User Guide and DCPMM User Guideat https://www.dell.com/ poweredgemanuals. 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. 2. Press F2 immediately after you see the following message: F2 = System Setup NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then restart your system and try again. 3. On the System Setup Main Menu screen, click System BIOS. 4. On the System BIOS screen, click Processor Settings. 50 Pre-operating system management applications

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Option
Description
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.
NOTE:
Only Optimizer Mode should be selected when Intel DC Optane Persistent Memory is
installed.
Current State of
Memory Operating
Mode
Specifies the current state of the 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. When Adaptive Double DRAM Device Correction (ADDDC) is
enabled, failing DRAMs are dynamically mapped out. When set to
Enabled
it can have some impact to system
performance under certain workloads. This feature is applicable for x4 DIMMs only. This option is set to
Enabled
by default.
Opportunistic
Self-Refresh
Enables or disables opportunistic self-refresh feature. This option is set to
Disabled
by default and is not
supported when DCPMMs are in the system.
Correctable Error
logging
Enables or disables logging of correctable memory threshold error. This option is set to
Enabled
by default.
Persistent
Memory
This field controls Persistent Memory on the system. This option is only available if the persistent memory module
is installed in the system.
Persistent Memory details
About this task
The
Persistent Memory
screen details can be found in the
NVDIMM-N User Guide
and
DCPMM User Guide
at
poweredgemanuals
.
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.
2.
Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3.
On the
System Setup Main Menu
screen, click
System BIOS
.
4.
On the
System BIOS
screen, click
Processor Settings
.
50
Pre-operating system management applications