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The following items appear only when you set SGX Launch Control Policy to [Locked].
The following item appears only when you set Software Guard Extensions (SGX) to
[Enabled].
PRMRR Size [128MB]
Allows you to set the PRMMR Size.
Configuration options: [32MB] [64MB] [128MB]
CPU Flex Ratio Override [Disabled]
Allows you to enable or disable CPU Flex Ratio Override.
Configuration options: [Disabled] [Enabled]
The following item appears only when you set CPU Flex Ratio Override to [Enabled].
CPU Flex Ratio Settings [33]
Allows you to set the CPU Flex Ratio.
This value must be between the Max Efficiency Ratio (LFM) and the Maximum non-
turbo ratio set by the Hardware (HFW).
Hardware Prefetcher [Enabled]
This Item allows you to turn on/off the MLC streamer prefetcher.
Configuration options: [Disabled] [Enabled]
Adjacent Cache Prefetch [Enabled]
This Item allows you to turn on/off prefetching of adjacent cache lines.
Configuration options: [Disabled] [Enabled]
Intel (VMX) Virtualization Technology [Enabled]
Enable this item to allow a VMM to utilize the additional hardware capabilities provided by
Vanderpool Technology.
Configuration options: [Disabled] [Enabled]
Active Processor Cores [All]
This item allows you to set the number of cores to enable in each processor package.
Configuration options: [All] [1] [2] [3] [4] [5]
BIST [Disabled]
Allows you to enable or disable BIST (Built-In Self Test) on reset.
Configuration options: [Disabled] [Enabled]
AES [Enabled]
Allows you to enable or disable AES (Advanced Encryption Standard).
Configuration options: [Disabled] [Enabled]
4-12
SGX LE Public Key Hash 0-3 [0]
Allows you to set the Bytes of the Software Guard Extensions (SGX)
Launch Enclave Public Key Hash.
Chapter 4: BIOS Setup
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