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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. Configuration options:
[Disabled] [Enabled]
ASPM [Disabled]
This item allows you to select the ASPM state for energy-saving conditions. Configuration
options: [Disabled] [L0s] [L1] [L0sL1] [Auto]
L1 Substates [Disabled]
This item allows you to specify the PCIe L1 Substates. Configuration 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.
Configuration 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. Configuration 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 profile. Configuration 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.
Hyper-threading [Enabled]
The Intel Hyper-Threading Technology allows a hyper-threading processor to appear as two
logical processors to the operating system, allowing the operating system to schedule two
threads or processes simultaneously.
[Enabled]
Two threads per activated core are enabled.
[Disabled]
Only one thread per activated core is enabled.
Active Processor Cores [All]
This item allows you to select the number of CPU cores to activate in each processor
package. Configuration options: [All] [1] [2] [3] [4] [5]
ASUS PRIME Z370-P
2-29
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