Chapter 4: AMI BIOS
4-11
C1 State Auto Demotion
When this item is enabled, the CPU will conditionally demote C3, C6, or C7 requests to C1
based on the un-cored auto-demote state. The options are Disabled and
Enabled.
C3 State Auto Demotion
When this item is enabled, the CPU will conditionally demote C6 or C7 requests to C3 based
on the un-cored auto-demote state. The options are Disabled and
Enabled.
C-State Pre-Wake
Select Enabled to enable C State Pre-Wake State support. The options are
Enabled
and Disabled.
Package C-State limit
Select Auto for the AMI BIOS to automatically set the limit on the register of the
C-State package. The options are C0/C1, C2, C3, C6, C7, C7s, and
Auto
.
LakeTiny Feature
Select Enabled to enable LakeTiny support. The options are
Disabled
and Enabled.
ACPI T State
Select Enabled for ACPI T state (processor throttling) feature support. The options
are Disabled and
Enabled
.
Chipset Configuration
Warning:
Setting the wrong values in the following sections may cause the system
to malfunction.
System Agent (SA) Configuration
The following System Agent (SA) information will be displayed:
•
System Agent Bridge Name
•
VT-d Capability
VT-d
Select Enabled to enable Intel Virtualization Technology support for Direct I/O VT-d
by reporting the I/O device assignments to VMM through the DMAR ACPI Tables.
This feature offers fully-protected I/O resource-sharing across Intel platforms, pro-
viding the user with greater reliability, security, and availability in networking and
data-sharing. The settings are
Enabled
and Disabled.
