Menu Item
Description
installed. If
Disabled
, the system supports NUMA (asymmetric) memory
configurations. By default,
Node Interleaving
option is set to
Disabled
.
Snoop Mode
Specifies the Snoop Mode options. Snoop Mode options available are
Home
Snoop
,
Early Snoop
,
Cluster on Die
. By default, the Snoop Mode option is set to
Early Snoop
. The field is only available when Node Interleaving is
Disabled
.
Processor Settings screen details
You can use the
Processor Settings
screen to view the processor settings and perform specific functions
such as enabling virtualization technology, hardware prefetcher, and logical processor idling.
You can view the
Processor Settings
screen by clicking
System Setup Main Menu
→
System BIOS
→
Processor Settings
.
The
Processor Settings
screen details are explained as follows:
Example
Menu Item
Description
Logical Processor
Enables or disables the logical processors and displays the number of logical
processors. If the
Logical Processor
option is set to
Enabled
, the BIOS displays all
the logical processors. If this option is set to
Disabled
, the BIOS only displays one
logical processor per core. By default, the
Logical Processor
option is set to
Enabled
.
Alternate RTID
(Requestor
Transaction ID)
Setting
Enables you to allocate more RTIDs to the remote socket, thereby increasing
cache performance between the sockets or easing work in normal mode for
NUMA. By default, the
Alternate RTID (Requestor Transaction ID) Setting
is set to
Disabled
.
Virtualization
Technology
Enables or disables the additional hardware capabilities provided for virtualization.
By default, the
Virtualization Technology
option is set to
Enabled
.
Address
Translation
Service (ATS)
Defines the Address Translation Cache (ATC) for devices to cache the DMA
transactions. This field provides an interface to a chipset's Address Translation and
Protection Table to translate DMA addresses to host addresses. By default, the
option is set to
Enabled
.
Adjacent Cache
Line Prefetch
Optimizes 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
Enables or disables the hardware prefetcher. By default, the
Hardware Prefetcher
option is set to
Enabled
.
DCU Streamer
Prefetcher
Allows you to enable or disable the Data Cache Unit (DCU) streamer prefetcher. By
default, the
DCU Streamer Prefetcher
option is set to
Enabled
.
DCU IP Prefetcher
Enables or disables the Data Cache Unit (DCU) IP prefetcher. By default, the
DCU
IP Prefetcher
option is set to
Enabled
.
Execute Disable
Enables or disables the execute disable memory protection technology. By default,
the
Execute Disable
option is set to
Enabled
.
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