Asus Z170-AR Manual page 88

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.
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
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 Support [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]
Chapter 2: BIOS Setup
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