Asus Z9PE-D16-10G/DUAL - Manual (Page 91)

Z9PE-D16-10G Series 4-23
PCI Express Settings
PCI Express Link Register Settings
ASPM Support [Disabled]
Allows you to set the ASPM level.
Configuration options: [Disabled] [Auto] [Force L0s]
[Force L0s]
Force all links to L0s state.
[Auto] BIOS auto configure.
[Disabled] Disabled ASPM.
Link Training Timeout (us) 5000
Use the <+> or <-> keys to adjust the value.