Asus PRIME Intel 500 Series Manual page 29

The following item appears only when you set PCI Express Native Power Management
to [Enabled].
Native ASPM
Configuration options: [Auto] [Enabled] [Disabled]
[Enabled]: OS Controlled ASPM.
[Disabled]: BIOS Controlled ASPM.
PCH - PCI Express
DMI Link ASPM Control
Allows you to set the ASPM level of the DMI link.
Configuration options: [Disabled] [L0s] [L1] [L0sL1] [Auto]
ASPM
Allows you to set the ASPM level.
Configuration options: [Disabled] [L0s] [L1] [L0sL1] [Auto]
[Disabled]:
[L0s]:
[L1]:
[L0sL1]:
[Auto]:
L1 Substates
Allows you to configure the PCI Express L1 Substates settings.
Configuration options: [Disabled] [L1.1] [L1.1 & L1.2]
SA - PCI Express
DMI Link ASPM Control
Allows you to set the ASPM level on SA side of the DMI link. Configuration options:
[Disabled] [L0s] [L1] [L0sL1]
DMI Gen3 ASPM Control
Allows you to set the level of DMI Gen3 ASPM Control support.
Configuration options: [Disabled] [Auto] [ASPM L0s] [ASPM L1] [ASPM L0sL1]
L0s is not supported for DMI ASPM for CML/TGP.
DMI Gen3 ASPM
Allows you to set the level of DMI Gen3 ASPM support.
Configuration options: [Disabled] [Auto] [ASPM L0s] [ASPM L1] [ASPM L0sL1]
L0s is not supported for DMI ASPM for CML/TGP.
PEG - ASPM
Allows you to set the level of the ASPM support for the PEG0. This item will have no effect if
PEG is not the currently active device.
Configuration options: [Disabled] [Auto] [ASPM L0s] [ASPM L1] [ASPM L0sL1]
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Disables ASPM.
Forces all links to the L0s state.
Forces all links to the L1 state.
Forces all links to the L0sL1 state.
BIOS auto configure.
500 Series BIOS Manual
® 29