Dell PowerEdge M420 Dell PowerEdge M420 Systems Owner's Manual - Page 14

Memory Settings Screen, Spare with Advanced ECC Mode

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Memory Settings Screen Menu Item Description System Memory Size Displays the amount of memory installed in the system. System Memory Type Displays the type of memory installed in the system. System Memory Speed Displays the system memory speed. System Memory Voltage Displays the system memory voltage. Video Memory Displays the amount of video memory. 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 depending on the memory configuration of your system are Optimizer Mode, Advanced ECC Mode, Mirror Mode, Spare Mode, and Spare with Advanced ECC Mode. By default, the Memory Operating Mode option is set to Optimizer Mode. 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. Serial Debug Output By default, it is set to disabled. Processor Settings Screen Menu Item Logical Processor QPI Speed Virtualization Technology Adjacent Cache Line Prefetch Hardware Prefetcher Description Allows you to enable or disable logical processors and display 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. Allows you to set the QuickPath Interconnect data rate settings. By default, the QPI Speed option is set to Maximum data rate. NOTE: The QPI Speed option is displayed only when both the processors are installed. Allows you enable or disable the additional hardware capabilities provided for virtualization. By default, the Virtualization Technology option is set to Enabled. 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. Allows you to enable or disable hardware prefetcher. By default, the Hardware Prefetcher option is set to Enabled. 14

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Memory Settings Screen
Menu Item
Description
System Memory Size
Displays the amount of memory installed in the system.
System Memory Type
Displays the type of memory installed in the system.
System Memory Speed
Displays the system memory speed.
System Memory Voltage
Displays the system memory voltage.
Video Memory
Displays the amount of video memory.
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 depending on the memory
configuration of your system are
Optimizer Mode
,
Advanced ECC Mode
,
Mirror Mode
,
Spare Mode
, and
Spare with Advanced ECC Mode
. By default, the
Memory Operating Mode
option is set to
Optimizer Mode
.
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
.
Serial Debug Output
By default, it is set to disabled.
Processor Settings Screen
Menu Item
Description
Logical Processor
Allows you to enable or disable logical processors and display 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
.
QPI Speed
Allows you to set the QuickPath Interconnect data rate settings. By default, the
QPI Speed
option is set to
Maximum data rate
.
NOTE:
The QPI Speed option is displayed only when both the processors are installed.
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
.
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