User`s guide
Advanced Setup Configurations
007-5688-001 67
Intel EIST Technology 
Enhanced Intel SpeedStep Technology (EIST) allows the system to automatically adjust processor 
voltage and core frequency in an effort to reduce power consumption 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 (Available when Intel EIST Technology is enabled) 
Select Enabled to use the Turbo Mode to boost system performance. The options are Enabled and 
Disabled. 
Intel C-STATE Tech 
If 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 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 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 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. 










