Dell POWEREDGE M915 - Manual (Page 142)

142 Using the System Setup Program and UEFI Boot Manager
Logical Processor
(Enabled default)
If set to Enabled, both logical processors per processor core
are enabled. If set to Disabled, only one logical processor
per core is enabled.
Virtualization
Technology (Disabled
default)
NOTE: Disable this feature if your system does not run
virtualization software.
Displays when the processors support Virtualization
Technology. Enabled permits virtualization software to use
Virtualization Technology incorporated in the processor
design. This feature can only be used by software that
supports Virtualization Technology.
DMA Virtualization
(M915 only)
(Disabled default)
If set to enabled, additional hardware capabilities for DMA
remapping and virtualization are available.
DRAM Prefetcher
(M915 only)
(Enabled default)
Turns on or off the DRAM prefetch unit in the Northbridge.
Adjacent Cache Line
Prefetch
(Enabled default)
Enable or disables system optimization for sequential
memory access.
Hardware Prefetch
Training on Software
Prefetch (M915 only)
(Enabled default)
If set to Enabled, the hardware prefetcher includes software
prefetches when the system detects strides for prefetch
requests.
Hardware Prefetcher
(Enabled default)
Enables or disables the hardware prefetcher.
DCU Streamer
Prefetcher
(Enabled default)
Enables or disables DCU streamer prefetcher.
Data Reuse Enables or disables data reuse in cache.
Execute Disable
(Enabled default)
When set to Enabled, Execute Disable Memory Protection
Technology is enabled.
Number of Cores per
Processor
(All default)
If set to All, all cores in each processor are enabled.
Option Description