Asus P9D-I - Manual (Page 66)

4-14 Chapter 4: BIOS setup
Enhanced C1 State [Enabled]
This item allows you to enable or disable the Enhanced C1 state. Configuration
options: [Enabled] [Disabled]
CPU C3 Report [Enabled]
Allows you to enable or disable the CPU C3 report to OS. Configuration options:
[Enabled] [Disabled]
CPU C6 Report [Enabled]
Allows you to enable or disable the CPU C6 report to OS. Configuration options:
[Disabled] [Enabled]
C1 state auto demotion [Enabled]
Allows you to enable or disable the demotion of the C3/C6/C7 request to C1 based on
uncore auto-demote information. Configuration options: [Disabled] [Enabled]
C3 state auto demotion [Enabled]
Allows you to enable or disable the demotion of the C6/C7 request to C3 based on
uncore auto-demote information. Configuration options: [Disabled] [Enabled]
Package C state demotion [Disabled]
Allows you to enable the Package C state demotion. Configuration options: [Disabled]
[Enabled]
C1 state auto undemotion [Enabled]
Allows you to enable or disable the Un-demotion from C1. Configuration options:
[Disabled] [Enabled]
C3 state auto undemotion [Enabled]
Allows you to enable or disable the Un-demotion from C1. Configuration options:
[Disabled] [Enabled]
Package C state demotion [Disabled]
Allows you to enable the Package C state undemotion. Configuration options:
[Disabled] [Enabled]
C State Pre-Wake [Enabled]
Allows you to enable or disable the C state demotion. Configuration options: [Disabled]
[Enabled]
CFG lock [Enabled]
Allows you to configure MSR 0xE2[15], CFG lock bit. Configuration options: [Disabled]
[Enabled]
Package C State limit [C3]
Allows you set the Package C State limit to AUTO. Configuration options: [C0/C1] [C2] [C3]
[C6] [AUTO]
LakeTiny Feature [Disabled]
Allows you enable or disable LakeTiny for C state configuration. Configuration options:
[Disabled] [Enabled]
ACPI T State [Enabled]
Allows you to enable or disable the ACPI T state. Configuration options: Disabled]] Enabled]]
This following items appears only when you set the CPU C states to [Enabled].
CPU C states [Enabled]
Allows you to enable or disable the CPU C states. Configuration options: [Enabled] [Disabled]