2.6.2
Platform Misc Configuration
The items in this menu allow you to configure the platform‑related features.
PCI Express 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]
[Disabled]
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]
SA - PCI Express options
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. Configuration options: [Disabled] [L1]
PEG-ASPM [Disabled]
This item allows you to select the ASPM state for energy‑saving conditions, or use the ASUS
optimized energy saving profile. Configuration options: [Disabled] [Auto] [ASPM L0s] [ASPM
L1] [ASPM L0sL1]
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]
2-24
Windows
Vista OS controls the ASPM (active state power
®
management) support for devices.
BIOS controls the ASPM support for the device.
Chapter 2: Getting started