Chapter 4: AMI BIOS
4-9
Turbo Mode
This feature allows processor cores to run faster than the frequency rec-
ommended by the manufacturer. The options are Disabled and Enabled.
Platform PL1 Enable
This feature disables or enables the Platform Power Limit 1 program-
ming. If this option is enabled, it activates the PL1 value to be used by
the processor to limit the average power of the given time window. The
options are Disabled and Enabled.
Platform PL2 Enable
This feature disables or enables the Platform Power Limit 2 program-
ming. If this option is enabled, it activates the PL1 value to be used by
the processor to limit the average power of the given time window. The
options are Disabled and Enabled.
Power Limit 4 Override
This feature disables or enables the Power Limit 4 Override. If this op-
tion is disabled, the BIOS will program the default values for Power Limit
and Power Limit 4 Time Window. The options are Disabled and Enabled.
C states
C-States architecture, a processor power management platform devel-
oped by Intel, can further reduce power consumption from the basic C1
(Halt State) state that blocks clock cycles to the CPU. Select Enabled
for CPU C Sates support. The options are Enabled and Disabled. If this
feature is set to Enabled, the following items will be displayed:
Enhanced C-states
(Available when "CPU C States" is set to Enabled.)
Select Enabled to enable Enhanced C1 Power State to boost system
performance. The options are Enabled and Disabled.
C-State Auto Demotion
When this item is enabled, the CPU will conditionally demote C State
based on un-cored auto-demote information. The options are Disabled,
C1, C3, and C1 and C3.
C-State Un-demotion
When this item is enabled, the CPU will conditionally undemote from
demoted C3 or C1. The options are Disabled, C1, C3, and C1 and C3.
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