Menu Item
Description
System Memory Testing
Specifies whether system memory tests are run during system boot.
Options are
Enabled
and
Disabled
. By default, the
System Memory
Testing
option is set to
Disabled
.
Memory Operating Mode
Specifies the memory operating mode. The options available are
Optimizer Mode
,
Advanced ECC Mode
,
Mirror Mode
,
Spare Mode
,
Spare with Advanced ECC Mode
, and
Dell Fault Resilient Mode
. By
default, the
Memory Operating Mode
option is set to
Optimizer Mode
.
NOTE: The
Memory Operating Mode
can have different defaults
and available options based on the memory configuration of your
system.
NOTE: The
Dell Fault Resilient Mode
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.
Node Interleaving
If this field is
Enabled
, memory interleaving is supported if a symmetric
memory configuration is installed. If
Disabled
, the system supports Non-
Uniform Memory architecture (NUMA) (asymmetric) memory
configurations. By default,
Node Interleaving
option is set to
Disabled
.
Snoop Mode
Snoop Mode options available are
Disabled
,
Home Snoop
,
Early Snoop
,
Cluster on Die
. By default, the Snoop Mode option is set to
Disabled
. The
field is only available when Node Interleaving is
Disabled
.
Processor Settings screen
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.
To view the
Processor Settings
screen click the
System Setup Main Menu
→
System BIOS
→
Processor
Settings
.
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 displays only 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
20