Chapter 4: BIOS
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C-State Pre-Wake
This feature allows the user to enable or disable the C-State Pre-Wake. The options are
Disabled and
Enabled
.
Package C-State Limit
Use this feature to set the Package C-State limit. The options are C0/C1, C2, C3, C6, C7,
C7s, C8, and
Auto
.
CPU Thermal Configuration
CPU Thermal Configuration
CPU DTS
Select Enabled for the ACPI thermal management to use the DTS SMM mechanism to
obtain CPU temperature values. Select Disabled for EC to report the CPU temperature
values. The options are
Disabled
and Enabled.
ACPI 3.0 T-States
Select Enabled to support CPU throttling by the operating system to reduce power
consumption. The options are
Disabled
and Enabled.
Chipset Configuration
Warning:
Setting the wrong values in the following features may cause the system to malfunc-
tion.
System Agent (SA) Configuration
The following System Agent information will be displayed:
•
System Agent Bridge Name
•
SA PCIe Code Version
•
VT-d
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 the Intel platforms, providing the user with
greater reliability, security and availability in networking and data-sharing. The options are
Disabled and
Enabled
.
eDRAM Mode
Use this feature to select the eDRAM mode. The options are SW Mode eDRAM Off, SW
Mode eDRAM On, and
eDRAM HW Mode
.
