Dell PowerEdge M820 Dell PowerEdge M820 Systems Owner's Manual - Page 15

Boot Settings Screen, Number of Cores per Processor

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Menu Item Description Alternate RTID (Requestor Transaction ID) Setting Allows you to allocate more RTIDs to the remote socket increasing cache performance between the sockets or work in normal mode for NUMA. By default, the Alternate RTID (Requestor Transaction ID) Setting is set to Disabled. Virtualization Technology Allows you enable or disable the additional hardware capabilities provided for virtualization. By default, the Virtualization Technology option is set to Enabled. Adjacent Cache Line Prefetch Allows you to optimize the system for applications that require high utilization of sequential memory access. By default, the Adjacent Cache Line Prefetch option is set to Enabled. You can disable this option for applications that require high utilization of random memory access. Hardware Prefetcher Allows you to enable or disable hardware prefetcher. By default, the Hardware Prefetcher option is set to Enabled. DCU Streamer Prefetcher Allows you to enable or disable DCU streamer prefetcher. By default, the DCU Streamer Prefetcher option is set to Enabled. DCU IP Prefetcher Allows you to enable or disable DCU IP prefetcher. By default, the DCU IP Prefetcher option is set to Enabled. Execute Disable Allows you enable or disable execute disable memory protection technology. By default, the Execute Disable option is set to Enabled. Number of Cores per Processor Allows you to control the number of enabled cores in each processor. By default, the Number of Cores per Processor option is set to All. Processor 64-bit Support Specifies if the processor(s) support 64-bit extensions. Processor Core Speed Displays the maximum core frequency of the processor. Processor Bus Speed Displays the bus speed of the processors. NOTE: The processor bus speed option is displayed only when both the processors are installed. Processor X FamilyModel-Stepping Displays the family and model number of each processor. A submenu displays the core speed, the amount of cache memory, and the number of cores of the processor(s). Boot Settings Screen Menu Item Boot Mode Description Allows you to set the boot mode of the system. CAUTION: Switching the boot mode may prevent the system from booting if the operating system is not installed in the same boot mode. If the operating system supports UEFI, you can set this option to UEFI. Setting this field to BIOS allows compatibility with non-UEFI operating systems. By default, the Boot Mode option is set to BIOS. NOTE: Setting this field to UEFI disables BIOS Boot Settings menu. Setting this field to BIOS disables the UEFI Boot Settings menu. 15

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Menu Item
Description
Alternate RTID
(Requestor Transaction
ID) Setting
Allows you to allocate more RTIDs to the remote socket increasing cache performance
between the sockets or work in normal mode for NUMA. By default, the
Alternate RTID
(Requestor Transaction ID) Setting
is set to
Disabled
.
Virtualization
Technology
Allows you enable or disable the additional hardware capabilities provided for virtualization.
By default, the
Virtualization Technology
option is set to
Enabled
.
Adjacent Cache Line
Prefetch
Allows you to optimize the system for applications that require high utilization of sequential
memory access. By default, the
Adjacent Cache Line Prefetch
option is set to
Enabled
. You
can disable this option for applications that require high utilization of random memory
access.
Hardware Prefetcher
Allows you to enable or disable hardware prefetcher. By default, the
Hardware Prefetcher
option is set to
Enabled
.
DCU Streamer
Prefetcher
Allows you to enable or disable DCU streamer prefetcher. By default, the
DCU Streamer
Prefetcher
option is set to
Enabled
.
DCU IP Prefetcher
Allows you to enable or disable DCU IP prefetcher. By default, the
DCU IP Prefetcher
option
is set to
Enabled
.
Execute Disable
Allows you enable or disable execute disable memory protection technology. By default, the
Execute Disable
option is set to
Enabled
.
Number of Cores per
Processor
Allows you to control the number of enabled cores in each processor. By default, the
Number of Cores per Processor
option is set to
All
.
Processor 64-bit
Support
Specifies if the processor(s) support 64-bit extensions.
Processor Core Speed
Displays the maximum core frequency of the processor.
Processor Bus Speed
Displays the bus speed of the processors.
NOTE:
The processor bus speed option is displayed only when both the processors are
installed.
Processor
X
Family-
Model-Stepping
Displays the family and model number of each processor. A submenu displays the core
speed, the amount of cache memory, and the number of cores of the processor(s).
Boot Settings Screen
Menu Item
Description
Boot Mode
Allows you to set the boot mode of the system.
CAUTION: Switching the boot mode may prevent the system from booting if the operating
system is not installed in the same boot mode.
If the operating system supports UEFI, you can set this option to UEFI. Setting this field to BIOS
allows compatibility with non-UEFI operating systems. By default, the
Boot Mode
option is set to
BIOS
.
NOTE:
Setting this field to UEFI disables BIOS Boot Settings menu. Setting this field to BIOS
disables the UEFI Boot Settings menu.
15