Gigabyte LGA3647, Service Manual

Page: 74 / 107

BIOS Setup - 74 -
Parameter
Description
Hardware PM State Control
Press [Enter] to configure advanced items.
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Hardware P-States
– When this item is disabled, the processor hardware chooses a
P-state based on OS Request (Legacy P-States).
– In Native mode, the processor hardware chooses a P-state
based on OS guidance.
– In Out of Band mode, the processor hardware autonomously
chooses a P-state (with no OS guidance).
– Options available: Disable/Native Mode/Out of Band Mode/
Native Mode with No Legacy Support. Default setting is Native
Mode .
CPU C State Control
Press [Enter] to configure advanced items.
Š
Autonomous Core C-State
– Enable/Disable the Autonomous Core C-State Control.
– Options available: Enable/Disable. Default setting is Disable .
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CPU C6 Report
– Allows you to determine whether to let the CPU enter C6 mode
in system halt state. When enabled, the CPU core frequency
and voltage will be reduced during system halt state to decrease
power consumption. The C6 state is a more enhanced power-
saving state than C1.
– Options available: Disable/Enable/Auto. Default setting is Auto .
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Enhanced Halt State (C1E)
(Note)
– Core C1E auto promotion control. Takes effect after reboot.
– Options available: Enable/Disable. Default setting is Enable .
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OS ACPI Cx
– Reports CPU C3/C6 to OS ACPI C2 or ACPI C3.
– Options available: ACPI C2/ACPI C3. Default setting is ACPI
C2 .
Package C State Control
Configures the state for the C-State package limit.
Options available: C0/C1 state/C2 state/C6 (non Retention) state/C6
(Retention) state/No Limit/Auto.
Default setting is
Auto .