Chapter 4: AMI BIOS
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CPU Flex Ratio Settings
When CPU Flex Ratio is enabled, this sets the value for the CPU Flex Ratio.
The default is 35. Press "+" or "-" on your keyboard to change the value.
Overclocking lock
Select Enabled to prevent the CPU overclocking. The options are Enabled
and Disabled.
Intel® Virtualization Technology
(Available when supported by the CPU)
Select Enabled to use the Intel Virtualization Technology to allow one
platform to run multiple operating systems and applications in inde-
pendent partitions, creating multiple "virtual" systems in one physical
computer. The options are Disabled and Enabled.
Hardware Prefetcher
(Available when supported by the CPU)
If set to Enabled, the hardware prefetcher will prefetch streams of data
and instructions from the main memory to the L2 cache to improve CPU
performance. The options are Disabled and Enabled.
Adjacent Cache Line Prefetch
(Available when supported by the CPU)
Select Enabled for the CPU to prefetch both cache lines for 128 bytes as
comprised. Select Disabled for the CPU to prefetch both cache lines for
64 bytes. The options are Disabled and Enabled.
Note: If there is any change to this setting, you will need to
power off and reboot the system for the change to take effect.
Please refer to Intel’s website for detailed information.
CPU AES
Select Enable for Intel CPU Advanced Encryption Standard (AES) Instruc-
tions support to enhance data integrity. The options are Disabled and
Enabled.
Boot Performance Mode
This option enables the selection of the default CPU performance during
system boot. The options are Power Saving, Max Non-Turbo Performance
and Turbo Performance.
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