
Chapter 7: BIOS
7-7
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® SpeedStep™ 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® C-STATE Tech
When this item is enabled, C-State is set by the system automatically to either C2,
C3 or C4 state. The options are Enabled and Disabled.
C-State Package Limit Setting
When 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 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.
C3 Auto Demotion
When this item is enabled, the CPU will conditionally demote C6 or C7 requests
to C3 based on un-core auto-demote information. The options are Disabled and
Enabled.
Clock Spread Spectrum
Select Enable to use the feature of Clock Spectrum, which will allow the BIOS to
monitor and attempt to reduce the level of Electromagnetic Interference caused by
the components whenever needed. The options are Disabled and Enabled.
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