Menu Item
Description
C1E
Enables or disables the processor to switch to a minimum performance state when it is idle. By default, the
C1E
option is set to
Disabled
.
C States
Enables or disables the processor to operate in all available power states. By default, the
C States
option is set to
Enabled
.
Write Data CRC
Enables or disables Write Data CRC. By default option is set to
Disabled
.
Collaborative CPU
Performance
Control
Enables or disables the CPU power management. When set to
Enabled
, the CPU power management is controlled
by the OS DBPM and the System DBPM (DAPC). By default, the option is set to
Disabled
.
Memory Patrol
Scrub
Sets the memory patrol scrub frequency. By default, the
Memory Patrol Scrub
option is set to
Standard
.
Memory Refresh
Rate
Sets the memory refresh rate to either 1x or 2x. By default, the
Memory Refresh Rate
option is set to
1x
.
Uncore Frequency
Selects the
Processor Uncore Frequency
.
Dynamic mode allows the processor to optimize power resources across the cores and uncore during runtime. The
optimization of the uncore frequency to either save power or optimize performance is influenced by the setting of
the
Energy Efficiency Policy
.
Energy Efficient
Policy
Selects the
Energy Efficient Policy
.
The CPU uses the setting to manipulate the internal behavior of the processor and determines whether to target
higher performance or better power savings.
Number of Turbo
Boot Enabled Cores
for Processor 1
NOTE:
If there are two processors installed in the system, you see an entry for Number of Turbo Boost
Enabled Cores for Processor 2.
Controls the number of turbo boost enabled cores for processor 1. By default, the maximum number of cores is all.
Monitor/Mwait
Enables the Monitor/Mwait instructions in the processor. By default, the Monitor/Mwait option is set to
Enabled
for all system profiles, except
Custom
.
NOTE:
This option can be disabled only if the C States option in Custom mode is disabled.
NOTE:
When C States is enabled in Custom mode, changing the Monitor/Mwait setting does not
impact system power/performance.
CPU Interconnect
Bus Link Power
Management
Enables or disables CPU Interconnect Bus Link Power Management By default, the option is set to
Disabled
.
PCI ASPM L1 Link
Power
Management
Enables or disables PCI ASPM L1 Link Power Management. By default, the option is set to
Disabled
.
System security settings screen details
You can use the
System Security
screen to perform specific functions such as setting the system password, setup password, and disabling
the power button.
You can view the
System Security
screen by clicking
System Setup Main Menu
>
System BIOS
>
System Security Settings
.
The
System Security Settings
screen details are explained as follows:
Menu Item
Description
Intel AES-NI
Improves the speed of applications by performing encryption and decryption using the Advanced Encryption
Standard Instruction Set and is set to
Enabled
by default.
108
BIOS and UEFI
