Dell C6145 manual Option, Description, Auto Mode default

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	Select this item to enable or disable the function of
Mode	securing virtual machine mode (SVM).
(Enabled default)
C1E Support	Select this item to enable or disable the “Enhanced Halt
(Enabled default)	State”.
CPU DownCore Mode	Select this item to cold reset the system after options are
(Auto Mode default)	changed.
ACPI SRAT Table	Select this item to enable or disable the building of ACPI
(Enabled default)	SRAT table.
DRAM Prefetcher	Select this item to enable or disable DRAM Prefetcher.
(Enabled default)
Hardware Prefetcher	Select this item to enable or disable the hardware
(Enabled default)	prefetcher. For UP platforms, leave it enabled; For
	DP/MP servers, it may be used to tune performance to
	the specific application.
Software Prefetcher	Select this item to enable or disable the HW Prefetcher
(Enabled default)	Training on Software Prefetch.
IOMMU	Select this item to enable or disable the IOMMU.
(Disabled default)
L3 Power Control	Select this item to enable or disable the L3 Power
(Enabled default)	Control.

Using the System Setup Program 35