Dell EMC PowerEdge XE7440 Installation And Service Manual page 28

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.
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.
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 Disabled 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.
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.
Processor Settings details
About this task
The Processor Settings screen details are explained as follows:
Option Description
Logical
Enables or disables the logical processors and displays the number of logical processors. If this option is
Processor
set to Enabled, the BIOS displays all the logical processors. If this option is set to Disabled, the BIOS
displays only one logical processor per core. This option is set to Enabled by default.
Virtualization Enables or disables the virtualization technology for the processor. This option is set to Enabled by
Technology default.
28 Pre-operating system management applications