User’s Manual
PCH - PCI Express options
PCH DMI ASPM [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. Conguration options:
[Disabled] [Enabled]
ASPM [Disabled]
This item allows you to select the ASPM state for energy-saving conditions. Conguration
options: [Disabled] [L0s] [L1] [L0sL1] [Auto]
L1 Substates [Disabled]
This item allows you to specify the PCIe L1 Substates. Conguration options: [Disabled]
[L1.1] [L1.2] [L1.1 & L1.2]
PCI Express Clock Gating [Enabled]
This item allows you to enable or disable PCI Express Clock Gating for each root port.
Conguration options: [Disabled] [Enabled]
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. Conguration 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 prole. Conguration options: [Disabled] [Auto] [ASPM L0s] [ASPM
L1] [ASPM L0sL1]
2.6.2 CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
The items shown in submenu may be different due to the CPU you installed.
Software Guard Extensions (SGS) [Software Controlled]
This item enables/disables the Software Guard Extensions (SGX). Conguration options:
[Disabled] [Software Controlled]
Tcc Offset Time Window [Auto]
This item allows you to specify the time window for the Running Average Temperature Limit
(RATL) feature. Conguration options: [Auto] [Disabled] [5 ms] [10 ms] [55 ms] [156 ms] [375
ms] [500 ms] ~ [384 sec] [448 sec]
ASUS PRIME Z390-P 2-29