C6Dram; Sw Guard Extension (Sgx); Select Owner Epoch Input Type; Prmrr Size - Supermicro Supero C7Z270-CG-M User Manual

Supermicro C7Z270-CG-M Motherboard User's Manual

C6DRAM

Select Enabled to allow moving of DRAM contents to PRM memory when
CPU is in C6 state. The options are Enabled and Disabled.

SW Guard Extension (SGX)

Select Enabled to activate the Software Guard Extensions (SGX). The
options are Enabled, Disabled, and Software Controlled. Please enable
this option for SGX support.

Select Owner EPOCH Input Type

There are three Owner EPOCH modes (Each EPOCH is 64 bit). The op-
tions are No Change in Owner EPOCHs, Change to New Random Owner
EPOCH and Manual User Defined Owner EPOCHs.

PRMRR Size

The BIOS must reserve a contiguous region of Processor Reserved Mem-
ory (PRM) in the Processor Reserved Memory Range Register (PRMRR).
This item appears if SW Guard Extensions is enabled. The options are
Auto, 32MB, 64MB, and 128MB.

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.

Intel (VMX) 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 Enabled and Disabled.
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 web site for detailed information.
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