User manual

2.6.2 Platform Misc Conguration
The items in this menu allow you to congure 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. Conguration 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. Conguration options:
[Disabled] [Enabled]
ASPM Support [Disabled]
This item allows you to select the ASPM state for energy‑saving conditions. Conguration
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. Conguration 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 prole. Conguration options: [Disabled] [Auto] [ASPM L0s] [ASPM
L1] [ASPM L0sL1]
2.6.3 System Agent (SA) Conguration
Above 4GB MMIO BIOS assignment [Disabled]
Allows you to enable or disable the above 4 GB memory mapped IO BIOS assignment.
Conguration options: [Enabled] [Disabled]
Graphics Conguration
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.
Conguration options: [Auto] [CPU Graphics] [PCIE]
ASUS Z170 PRO GAMING 2-29