Acer AR380 F1 User Manual - Page 93

75 Intel C-STATE Tech: If Enabled, C-State is set by the system automatically to either C2, C3 or C4. C-State package limit setting: If set to Auto, the BIOS will automatically set the limit on the C-State package register. C1 Auto Demotion: When Enabled, the CPU will conditionally demote C3, C6 or C7 requests to C1 based on un-core auto-demote information. C3 Auto Demotion: When Enabled, the CPU will conditionally demote C6 or C7 requests to C3 based on un-core auto-demote information. 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. DCA Technology: Uses Intel's DCA (Direct Cache Access) Technology to enhance data transfer effi ciency. DCA Prefetch Delay: Used with TOE components to prefetch data in order to shorten execution cycles and maximize data processing effi ciency. Prefetching too frequently can saturate the cache directory and delay necessary cache accesses. This feature reduces or increases the frequency the system prefetches data. Clock Spread Spectrum: Select Enable to use the Clock Spectrum feature, which allows BIOS to monitor and attempt to reduce the level of Electromagnetic Interference caused by the components.