Dell EMC PowerEdge R440 Installation And Service Manual page 108

Option Description
Memory Operating Specifies the memory operating mode. The options available are Optimizer Mode, Single Rank Spare Mode, Multi
Mode Rank Spare Mode, and Mirror Mode. This option is set to Optimizer Mode by default.
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 the field is set to Disabled, the system
supports NUMA (asymmetric) memory configurations. This option is set to Disabled by default.
Snoop Mode Specifies the Snoop Mode options. The Snoop Mode options available are Home Snoop, Early Snoop, and
Cluster on Die. This option is set to Early Snoop by default. This field is available only when the Node Interleaving
is set to Disabled.
Opportunistic Self- Enables or disables opportunistic self-refresh feature. This option is set to Disabled by default.
Refresh
Persistent Memory This field controls Persistent Memory on the system.
Persistent Memory details
The Persistent Memory screen details are explained as follows:
Option Description
Persistent Memory Enables or disables persistency for NVDIMM-N. If this option is set to Off, persistency for all NVDIMM-N is
disabled and is not presented to OS (data is not preserved). If this option is set to Non-Volatile DIMM, persistency
for all NVDIMM-N is enabled and presented to OS (data is preserved). This option is set to Non-Volatile DIMM by
default.
NVDIMM-N Read- Enables or disables the read-only option for the NVDIMM-N. If set to Enable, all NVDIMM-N is forced to read-only.
Only Read-only is intended to be for debug or maintenance when customers would like to access the NVDIMM-N data
and also to lock it from being updated. This option is set to Disable by default.
NVDIMM-N Enables or disables clearing data on the NVDIMM-N. If set to Enable, all data on the NVDIMM-N is lost. This
Factory Reset and option is used to remove data on the NVDIMM-N, repurpose your system. This option is set to Disable by default.
Secure Erase All
Dimms
NVDIMM-N Enables or disables interleaving on NVDIMM-N. Volatile RDIMM interleaving policy is not affected by this option.
Interleave This option is set to Disable by default.
Battery Status Indicates if the NVDIMM-N battery is ready. Battery Status can display one of the following states:
•
•
•
The following settings are applicable for every NVDIMM-N present in the system.
NVDIMM-N Specifies the location of the NVDIMM-N in each channel.
Memory Location
NVDIMM-N Specifies information on the capacity of the NVDIMM-N.
Memory Size
NVDIMM-N Specifies information on the speed of the NVDIMM-N.
Memory Speed
108 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.
Present-Ready
Present-Offline
Not-Ready