Dell EMC PowerEdge R940xa, Инструкция по установке и обслуживанию, Страница: 27 / 177

Option Description
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.
Opportunistic
Self-Refresh Enables or disables opportunistic self-refresh feature. This option is set to Disabled by default.
Persistent
Memory This field controls Persistent Memory on the system. This option is available if the persistent memory module is
installed 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.
View Processor Settings
To view the Processor Settings screen, perform the following steps:
Steps
1. Turn 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 Processor
Enables or disables the logical processors and displays the number of logical processors. If this option is 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.
CPU Interconnect
Speed Enables you to govern the frequency of the communication links among the CPUs in the system.
NOTE: The standard and basic bin processors support lower link frequencies.
The options available are Maximum data rate , 10.4 GT/s , and 9.6 GT/s . This option is set to Maximum data
rate by default.
Maximum data rate indicates that the BIOS runs the communication links at the maximum frequency that is
supported by the processors. You can also select specific frequencies that the processors support, which can
vary.
For best performance, you should select Maximum data rate . Any reduction in the communication link frequency
affects the performance of nonlocal memory accesses and cache coherency traffic. In addition, it can slow access
to nonlocal I/O devices from a particular CPU.
Pre-operating system management applications 27