Supero SuperServer 4048B-TRFT, User Manual

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Chapter 7: BIOS
7-9
performance. Select Disabled to disable power-saving settings. The options
are Disabled,
Energy Effi cient
, and Custom. If the option is set to Custom, the
following items will display:

CPU P State Control (Available when Power Technology
is set to Custom)
EIST (P-states)
EIST (Enhanced Intel SpeedStep Technology) allows the system to automatically
adjust processor voltage and core frequency to reduce power consumption and
heat dissipation. The options are Disabled and
Enabled
.
Turbo Mode
Select Enabled to use the Turbo Mode to boost system performance. The options
are
Enabled
and Disabled.
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)
C2C3TT (C2-to-C3 Transaction Timer)
This feature is used to set the transaction timer from C2 to C3. Enter 0 for Auto,
which will allow the BIOS to con
fi gure the transaction timer automatically. The
Default setting is
0 (Auto)
.
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.