User Guide
ASUS Z170-WS
3-35
Chapter 3
PCIE 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.
Conguration 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
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.
Conguration options: [Disabled] [Enabled]
ASPM Support [Disabled]
This item allows you to select the ASPM state for energy-saving conditions.
Conguration options: [Disabled] [L0s] [L1] [L0sL1] [Auto]
SA - PCI Express
DMI Link ASPM Control [Disabled]
This item allows you to control the Active State Power Management on both CPU and PCH
(platform controller hub) Both DMI link ASPM control items of the CPU and PCH sides must
be enabled for the ASPM to take effect.
Conguration options: [Disabled] [L1]
PEG ASPM Support [Disabled]
This item allows you to select the ASPM state for energy-saving conditions, or use the ASUS
optimized energy saving prole.
Conguration options: [Disabled] [Auto] [ASPM L0s] [ASPM L1] [ASPM L0sL1]