Supermicro SuperServer 5019C-M4L User Manual page 63

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CPU Speed
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L1 Data Cache
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L1 Instruction Cache
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L2 Cache
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L3 Cache
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L4 Cache
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VMX
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SMX/TXT
CPU Flex Ratio Override
Select Enabled to activate CPU Flex Ratio programming.The flex ratio should be under the
CPU's max ratio. The options are Disabled and Enabled.
*If the feature above is set to Enabled, "CPU Flex Ratio Settings" will become available
for configuration:
CPU Flex Ratio Settings
When CPU Flex Ratio Override is enabled, this feature sets the value for the CPU Flex Ratio.
This value must be between the maximum efficiency ratio and maximum non-turbo ratio. The
default value is dependent on the CPU.
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)
The CPU prefetches the cache line for 64 bytes if this feature is set to Disabled. The CPU
prefetches both cache lines for 128 bytes as comprised if this feature is set to Enabled. The
options are Disabled and Enabled.
Intel (VMX) Virtualization Technology
Use this feature to enable the Vanderpool Technology. This technology allows the system to
run several operating systems simultaneously. The options are Disabled and Enabled.
Active Processor Cores
This feature determines how many CPU cores will be activated for each CPU. When All
is selected, all cores in the CPU will be activated. (Please refer to Intel's website for more
information.) The options are All, 1, 2 , 3, 4, and 5.
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Chapter 6: BIOS