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.
Current State of 
Memory Operating 
Mode
Species the current state of the memory operating mode.
Node Interleaving Species if Non-Uniform Memory Architecture (NUMA) is supported. If this eld is set to Enabled, memory 
interleaving is supported if a symmetric memory conguration is installed. If the eld is set to Disabled, the system 
supports NUMA (asymmetric) memory congurations. This option is set to Disabled by default.
Processor Settings
You can use the Processor Settings screen to view the processor settings, and perform specic functions such as enabling virtualization 
technology, hardware prefetcher, logical processor idling, and opportunistic self-refresh.
Viewing Processor Settings
To view the Processor Settings screen, perform the following 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 nish 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
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.
Virtualization 
Technology
Enables or disables the virtualization technology for the processor. This option is set to Enabled by default.
Adjacent Cache 
Line Prefetch
Optimizes the system for applications that need high utilization of sequential memory access. This option is set to 
Enabled by default. You can disable this option for applications that need high utilization of random memory 
access.
Hardware 
Prefetcher
Enables or disables the hardware prefetcher. This option is set to Enabled by default.
DCU Streamer 
Prefetcher
Enables or disables the Data Cache Unit (DCU) streamer prefetcher. This option is set to Enabled by default.
DCU IP Prefetcher Enables or disables the Data Cache Unit (DCU) IP prefetcher. This option is set to Enabled by default.
Pre-operating system management applications 41