Asus PRIME Z270M-PLUS PRIME Z270M-PLUS Users manual ENGLISH - Page 56

System Agent SA Configuration, Hardware Prefetcher [Enabled]

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Hardware Prefetcher [Enabled] This item allows the CPU to prefetch commands and data in the L2 cache, reduces the DRAM loading time and improves the system performance. Configuration options: [Disabled] [Enabled] Adjacent Cache Line Prefetcher [Enabled] This item allows the mid level cache (L2) to prefetch adjacent cache lines, reducing the DRAM loading time and improves the system performance. Configuration options: [Disabled] [Enabled] SW Guard Extensions (SGX) [Disabled] Allows you to disable Software Guard Extgensions (SGX). CPU Power Management Control Intel® SpeedStep™ [Auto] This item allows more than two frequency rates to be supported. Configuration options: [Auto] [Disabled] [Enabled] CPU C-States [Auto] This item allows you to set the power saving of the CPU states. Configuration options: [Auto] [Disabled] [Enabled] CFG Lock [Disabled] This item allows you to configure MSR 0xE2[15], CFG lock bit. Configuration options: [Disabled] [Enabled] 2.6.3 System Agent (SA) Configuration VT-d [Disabled] Allows you to enable or disable VT-d function on MCH. Configuration options: [Enabled] [Disabled] Graphics Configuration Allows you to select a primary display from CPU, PCIE and PCI graphical devices. Primary Display [Auto] Allows you to select the primary display from CPU, PCIE and PCI graphics devices. Configuration options: [Auto] [CPU Graphics] [PCIE] iGPU Multi-Monitor [Disabled] This item allows you to empower both integrated and discrete graphics devices for the multi-monitor output. The CPU graphics shared system memory size is fixed at 64 MB. Configuration options: [Disabled] [Enabled] RC6(Render Standby) [Enabled] Allows you to enable or disable Intel® Graphics Render Standby support to reduce iGPU power use when the system is idle. Configuration options: [Disabled] [Enabled] DVMT Pre-Allocated [64M] Allows you to select DVMT 5.0 Pre-Allocated (Fixed) Graphics Memory size used by the Internal Graphics Device. 2-32 Chapter 2: BIOS Information

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Hardware Prefetcher [Enabled]
This item allows the CPU to prefetch commands and data in the L2 cache, reduces the
DRAM loading time and improves the system performance. Configuration options: [Disabled]
[Enabled]
Adjacent Cache Line Prefetcher [Enabled]
This item allows the mid level cache (L2) to prefetch adjacent cache lines, reducing the
DRAM loading time and improves the system performance. Configuration options: [Disabled]
[Enabled]
SW Guard Extensions (SGX) [Disabled]
Allows you to disable Software Guard Extgensions (SGX).
CPU Power Management Control
Intel
®
SpeedStep™ [Auto]
This item allows more than two frequency rates to be supported. Configuration options:
[Auto] [Disabled] [Enabled]
CPU C-States [Auto]
This item allows you to set the power saving of the CPU states. Configuration options:
[Auto] [Disabled] [Enabled]
CFG Lock [Disabled]
This item allows you to configure MSR 0xE2[15], CFG lock bit. Configuration options:
[Disabled] [Enabled]
2.6.3
System Agent (SA) Configuration
VT-d [Disabled]
Allows you to enable or disable VT‑d function on MCH. Configuration options: [Enabled]
[Disabled]
Graphics Configuration
Allows you to select a primary display from CPU, PCIE and PCI graphical devices.
Primary Display [Auto]
Allows you to select the primary display from CPU, PCIE and PCI graphics devices.
Configuration options: [Auto] [CPU Graphics] [PCIE]
iGPU Multi-Monitor [Disabled]
This item allows you to empower both integrated and discrete graphics devices for the
multi‑monitor output. The CPU graphics shared system memory size is fixed at 64 MB.
Configuration options: [Disabled] [Enabled]
RC6(Render Standby) [Enabled]
Allows you to enable or disable Intel
®
Graphics Render Standby support to reduce
iGPU power use when the system is idle. Configuration options: [Disabled] [Enabled]
DVMT Pre-Allocated [64M]
Allows you to select DVMT 5.0 Pre‑Allocated (Fixed) Graphics Memory size used by
the Internal Graphics Device.
2‑32
Chapter 2: BIOS Information