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3-20 Chapter 3: BIOS setup
Chapter 3
CPU Ratio Setting [Auto]
Allows you to adjust the ratio between CPU Core Clock and BCLK Frequency. Use the <+>
and <-> keys to adjust the value.
Conguration options: [Auto] [12.0] [13.0] [14.0] [15.0] [16.0] [17.0] [18.0] [19.0] [20.0]
C1E Support [Enabled]
Allows you to enable or disable Enhanced Halt State support.
Conguration options: [Disabled] [Enabled]
Hardware Prefetcher [Enabled]
Allows you to enable or disable the Hardware Prefetcher function.
Conguration options: [Disabled] [Enabled]
Adjacent Cache Line Prefetch [Enabled]
Allows you to enable or disable the Adjacent Cache Line Prefetch function.
Conguration options: [Disabled] [Enabled]
Intel(R) Virtualization Tech [Enabled]
The Intel
®
Virtualization Technology allows a hardware platform to run multiple operating
systems separately and simultaneously, enabling one system to virtually function as several
systems. Conguration options: [Disabled] [Enabled]
CPU TM Function [Enabled]
This function enables the overheated CPU to throttle the clock speed to cool down.
Conguration options: [Disabled] [Enabled]
Execute-Disable Bit [Enabled]
Allows you to enable or disable the No-Execution Page Protection Technology. Setting this
item to [Disabled] forces the XD feature ag to always return to zero (0).
Conguration options: [Disabled] [Enabled]
Intel(R) HT Technology [Enabled]
Allows you to enable or disable the Intel Hyper-Threading Technology function. When
disabled, only one thread per activated core is enabled.
Conguration options: [Enabled] [Disabled]
Active Processor Cores [All]
Allows you to choose the number of CPU cores to activate in each processor package.
Conguration options: [All] [1] [2]
A20M [Disabled]
Legacy OSes and APs may need A20M enabled. Conguration options: [Disabled] [Enabled]
Intel(R) SpeedStep (TM) Tech [Enabled]
When set to [Disabled], the CPU runs at its default speed. When set to [Enabled], the CPU
speed is controlled by the operating system. Conguration options: [Disabled] [Enabled]