Supermicro SuperStorage Server 2028R-NR48N - Page 105

Chapter 7: AMI BIOS
7-9
use more power to boost system performance. The options are Performance,
Balanced Performance, Balanced Power, and Power.
Energy Efciency Turbo (Available when Power Technology is set to
Custom or Energy Efcient)
Select Enable for the system to operate at turbo mode with reduced power
consumption so that your machine can achieve maximum system performance
with the maximum power efciency possible. The options are Enable and
Disable.
*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 Disable and Enable.
Turbo Mode
Select Enable to use the Turbo Mode to boost system performance. The options
are Enable and Disable.
P-state Coordination
This item is used to change the P-state (Power-Performance State) coordination
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 software
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.