User`s manual

Chapter 4: AMI BIOS
4-7
Intel AES-NI
Select Enable to use the Intel Advanced Encryption Standard (AES) New Instruc-
tions (NI) to ensure data security. The options are Disabled and Enabled.
Simultaneous Multi-Threading (Available when supported by the CPU)
Set to Enabled to use the Simultaneous Multi-Threading Technology, which will
result in increased CPU performance. The options are Disabled and Enabled.
Active Processor Cores
Set to Enabled to use a processor's Second Core and beyond. (Please refer to
Intel's web site for more information.) The options are All, 1 and 2.
Intel® EIST Technology
EIST (Enhanced Intel SpeedStep Technology) allows the system to automatically
adjust processor voltage and core frequency in an effort to reduce power consump-
tion and heat dissipation. Please refer to Intel’s web site for detailed information.
The options are Disable (Disable GV3) and Enable (Enable GV3).
Intel® TurboMode Technology
Select Enabled to use the Turbo Mode to boost system performance. The options
are Enabled and Disabled.
C1E Support
Select Enabled to use the feature of Enhanced Halt State. C1E signifi cantly reduces
the CPU's power consumption by reducing the CPU's clock cycle and voltage during
a "Halt State." The options are Disabled and Enabled.
Intel® C-STATE Tech
If this item is set to Enabled, C-State is set by the system automatically to either
C2, C3 or C4 state. The options are Disabled and Enabled.
C-State package limit setting
If this item is set to Auto, the AMI BIOS will automatically set the limit on the C-State
package register. The options are Auto, C1, C3, C6 and C7.
C1 Auto Demotion
When this item is set to Enabled, the CPU will conditionally demote C3, C6 or
C7 requests to C1 based on un-core auto-demote information. The options are
Disabled and Enabled.