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SuperServer E200-8D User's Manual
Package C State Limit
This feature allows the user to set the limit on the C State package register. The options
are C0/C1 State, C2 State, C6 (Non Retention) State, C6 (Retention) State, and No Limit.
CPU C3 Report
Select Enabled to allow the BIOS to report the CPU C3 State (ACPI C2) to the operating
system. During the CPU C3 State, the CPU clock generator is turned off. The options are
Enable and Disable.
CPU C6 Report
Select Enabled to allow the BIOS to report the CPU C6 State (ACPI C3) to the operating
system. During the CPU C6 State, the power to all cache is turned off. The options are
Enable and Disable.
Enhanced Halt State (C1E)
CPU's power consumption by reducing the CPU's clock cycle and voltage during a Halt-
state. The options are Disable and Enable.
CPU T State Control
ACPI (Advanced Conguration Power Interface) T-States
Select Enable to support CPU throttling by the operating system to reduce power
consumption. The options are Enable and Disable.
CPU Advanced PM Tuning
Energy Perf BIAS
Energy Performance Tuning
When enabled, this item selects whether the BIOS or Operating System can turn on the
energy performance bias tuning. The options are Enable and Disable.
If the above is set to Disable, Energy Performance BIAS Setting will display:
Energy Performance BIAS Setting
whatever setting is in the Operating System. The options are Performance, Balanced
Performance, Balanced Power, and Power.
Power/Performance Switch
The options are Enable and Disable.
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