Asus Z170M-PLUS User Guide - Page 66

Platform Misc Configuration, CFG Lock [Enabled], PCI-E Native Power Management [Disabled]

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The following items appear only when you set the CPU C-States to [Enabled]. Enhanced C states [Enabled] This item allows your CPU to reduce power consumption when the system is in idle mode. Configuration options: [Enabled] [Disabled] CPU C3/C6 Report [Enabled] Allows you to disable or enable the CPU C3/C6 report to OS. Configuration options: [Enabled] [Disabled] Package C State Limit [Auto] This item allows you to set the a C-state support for the CPU package. Configuration options: [Auto] [C0/C1] [C2] [C3] [C6] [C7] [C7s] CFG Lock [Enabled] This item allows you to configure MSR 0xE2[15], CFG lock bit. Configuration options: [Disabled] [Enabled] 2.6.2 Platform Misc Configuration The items in this menu allow you to configure the platform-related features. PCI-E Native Power Management [Disabled] This item allows you to enhance the power saving feature of PCI Express and perform ASPM operations in the operating system. Configuration options: [Disabled] [Enabled] The following item appears only when you set the PCI Express Native Power Management to [Enabled]. Native ASPM [Disabled] [Enabled] Windows® Vista OS controls the ASPM (active state power management) support for devices. [Disabled] BIOS controls the ASPM support for the device. PCH - PCI Express options DMI Link ASPM Control [Disabled] This item allows you to control the Active State Power Management on both NB (NorthBridge) side and SB (SouthBridge) side of the DMI Link. Configuration options: [Disabled] [Enabled] ASPM Support [Disabled] This item allows you to select the ASPM state for energy-saving conditions. Configuration options: [Disabled] [L0s] [L1] [L0sL1] [Auto] 2-32 Chapter 2: Getting started

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The following items appear only when you set the CPU C‑States to
[Enabled]
.
Enhanced C states [Enabled]
This item allows your CPU to reduce power consumption when the system is in idle
mode. Configuration options: [Enabled] [Disabled]
CPU C3/C6 Report [Enabled]
Allows you to disable or enable the CPU C3/C6 report to OS. Configuration options:
[Enabled] [Disabled]
Package C State Limit [Auto]
This item allows you to set the a C‑state support for the CPU package.
Configuration options: [Auto] [C0/C1] [C2] [C3] [C6] [C7] [C7s]
CFG Lock [Enabled]
This item allows you to configure MSR 0xE2[15], CFG lock bit. Configuration options:
[Disabled] [Enabled]
2.6.2
Platform Misc Configuration
The items in this menu allow you to configure the platform‑related features.
PCI-E Native Power Management [Disabled]
This item allows you to enhance the power saving feature of PCI Express and perform ASPM
operations in the operating system. Configuration options: [Disabled] [Enabled]
The following item appears only when you set the PCI Express Native Power Management
to
[Enabled]
.
Native ASPM [Disabled]
[Enabled]
Windows
®
Vista OS controls the ASPM (active state power
management) support for devices.
[Disabled]
BIOS controls the ASPM support for the device.
PCH - PCI Express options
DMI Link ASPM Control [Disabled]
This item allows you to control the Active State Power Management on both NB
(NorthBridge) side and SB (SouthBridge) side of the DMI Link. Configuration options:
[Disabled] [Enabled]
ASPM Support [Disabled]
This item allows you to select the ASPM state for energy‑saving conditions. Configuration
options: [Disabled] [L0s] [L1] [L0sL1] [Auto]
2‑32
Chapter 2: Getting started