Supero SUPERSERVER 2028TP-HC1FR, User Manual

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Chapter 7: BIOS
7-9
P-state Coordination
This feature is used to change the P-state (Power-Performance State) coordi-
nation type. P-state is also known as "SpeedStep" for Intel processors. Select
HW_ALL to change the P-state coordination type for hardware components only.
Select SW_ALL to change the P-state coordination type for all software installed
in the system. Select SW_ANY to change the P-state coordination type for a soft-
ware program in the system. The options are
HW_All, SW_ALL, and SW_ANY.

CPU C State Control (Available when Power Technology
is set to Custom)
Package C State limit
Use this item to set the limit on the C-State package register. The options are
C0/1 state, C2 state, C6 (non-Retention) state, and
C6 (Retention) state .
CPU C3 Report
Select Enable 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 (Available when Power Technology is set to Custom)
Select Enable to allow the BIOS to report the CPU C6 state (ACPI C3) to the
operating system. During the CPU C6 state, power to all cache is turned off.
The options are
Enable and Disable.
Enhanced Halt State (C1E)
Select Enabled to use Enhanced Halt-State technology, which will significantly
reduce the 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 (Available when Power Technology
is set to Custom)
ACPI (Advanced Configuration Power Interface) T-States
Select Enable to support CPU throttling by the operating system to reduce power
consumption. The options are
Enable and Disable.