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Chapter 4: AMI BIOS
4-7
verifi cation to improve system performance. The default is Disabled. (Refer to Intel
and Microsoft Web Sites for more information.)
Simultaneous Multi-Threading (Available when supported by the CPU)
Select Enabled to use the Simultaneous Multi-Threading Technology, which will
result in increased CPU performance. The options are Disabled and Enabled.
Active Processor Cores
Select Enabled to use a processor's second core and beyond. (Please refer to Intel's
website 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® Turbo Boost
Select Enabled to allow the processor cores to run faster than normal under special
circumstances to improve performance. The options are Disable and Enabled.
Performance/Watt Select
Select Power Optimized to use the Turbo Boost mode after the system has been
in the P0 state for more than 2 seconds. Select Traditional to use the Turbo Boost
mode when the system has been in the P0 state less than 2 seconds. The options
are Power Optimized and Traditional.
Intel® C-STATE Tech
If this feature 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 (Available when Intel® C-State Tech is
enabled)
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 feature 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.