Dell E05B001 Manual de referencia - Página 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.

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

Fault Resilient

Select to define the percent of total memory size that must be used by the fault resilient mode when

Mode Memory

selected in the Memory Operating mode. When Fault Resilient Mode is not selected, this option is

Size [%]

grayed out and not used by Fault Resilient 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.

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.

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 will

DIMMs

have 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.

Self-Refresh

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

Persistent

This field controls Persistent Memory on the system. This option is available if the persistent memory

Memory

module is installed in the system.

BIOS and UEFI

NOTE:

When Enabled the system takes more to boot. The booting time depends on the size of the

system memory.

NOTE:

The Memory Operating Mode option can have different default and available options based

on the memory configuration of your system.

NOTE:

The 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.