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Using the System Setup Program | 35
Option Description
Cache L2 Displays the size of CPU L2.
Cache L3 Displays the size of CPU L3.
Speed Displays the frequency of CPU.
Able to Change Freq. Displays the capability of frequency change.
uCode Patch Level Displays the ucode patch level.
Power Management
This field sets the system Power
Management to
Maximum Performance mode, OS Control mode, or
Advanced Platform Management Link mode. When set
to APML mode, you can change setting of PSU Power
Capping options.
Secure Virtual Machine
Mode
(Enabled default)
Select this item to enable or disable the function of
securing virtual machine mode (SVM).
C1E Support
(Enabled default)
Select this item to enable or disable the “Enhanced Halt
State”.
CPU DownCore Mode
(Auto Mode default)
Select this item to cold reset the system after options are
changed.
ACPI SRAT Table
(Enabled default)
Select this item to enable or disable the building of ACPI
SRAT table.
DRAM Prefetcher
(Enabled default)
Select this item to enable or disable DRAM Prefetcher.
Hardware Prefetcher
(Enabled default)
Select this item to enable or disable the hardware
prefetcher. For UP platforms, leave it enabled; For
DP/MP servers, it may be used to tune performance to
the specific application.
Software Prefetcher
(Enabled default)
Select this item to enable or disable the HW Prefetcher
Training on Software Prefetch.
IOMMU
(Disabled default)
Select this item to enable or disable the IOMMU.
L3 Power Control
(Enabled default)
Select
this item to enable or disable the L3 Power
Control.