User`s manual
4-8
X8DAH+/X8DAH+-F User’s Manual
C-State package limit setting (Available when Intel® C-State Tech is
enabled)
If set to Auto, the AMI BIOS will automatically set the limit on the C-State package
register. The options are Auto, C1, C3, C6 and C7.
C1 Auto Demotion
If this feature is enabled, the CPU will conditionally demote C3, C6 or C7 requests
to C1 based on un-core auto-demote information. The options are Disabled and
Enabled.
C3 Auto Demotion
If this item is set to Enabled, the CPU will conditionally demote C6 or C7 requests
to C3 based on un-core auto-demote information. The options are Disabled and
Enabled.
ACPI T State
Select Enabled to allow the BIOS to report processor throttling in ACPI. The options
are Enabled and Disabled.
Advanced Chipset Control
The items included in the Advanced Settings submenu are listed below:
CPU Bridge Confi guration
Request Transaction ID
This feature is used to determine how a QPI Transaction ID is initiated. The options
are Balanced and IO Biased.
QPI Links Speed
This feature selects QPI's data transfer speed. The options are Slow-mode, and
Full Speed.
QPI Frequency
This selects the desired QPI frequency. The options are Auto, 4.800 GT, 5.866GT,
6.400 GT.
QPI L0s and L1
This feature allows QPI to use lower power settings. L0s and L1 are automatically
selected by the motherboard. The options are Disabled and Enabled.