User`s manual

Chapter 7: BIOS
7-9
DDR Power Limit2 (Available when "Turbo Mode" is set to Enabled)
Use this feature to set the power limit for DDR2. Use the number keys on your
keyboard to enter the value. Enter 0 to use the manufacture default setting.
1-Core Ratio Limit (Available when "Turbo Mode" is set to Enabled)
This increases (multiplies) 1 clock speed in the CPU core in relation to the bus
speed when one CPU core is active. Press "+" or "-" on your keyboard to change
the value. Enter 0 to use the manufacture default setting.
2-Core Ratio Limit (Available when "Turbo Mode" is set to Enabled)
This increases (multiplies) 2 clock speeds in the CPU core in relation to the bus
speed when two CPU cores are active. Press "+" or "-" on your keyboard to
change the value. Enter 0 to use the manufacture default setting.
3-Core Ratio Limit (Available when "Turbo Mode" is set to Enabled)
This increases (multiplies) 3 clock speeds in the CPU core in relation to the bus
speed when three CPU cores are active. Press "+" or "-" on your keyboard to
change the value. Enter 0 to use the manufacture default setting.
4-Core Ratio Limit (Available when "Turbo Mode" is set to Enabled)
This increases (multiplies) 4 clock speeds in the CPU core in relation to the bus
speed when four CPU cores are active. Press "+" or "-" on your keyboard to
change the value. Enter 0 to use the manufacture default setting.
Energy Performance
Use this feature to select an appropriate fan setting to achieve the maximum system
performance (with maximum cooling) or maximum energy effi ciency (with maximum
power saving). The fan speeds are controlled by the fi rmware management via IPMI
2.0. The options are Performance, Balanced Performance, Balanced Energy, and
Energy Effi cient.
VR Current Value
Use this feature to set the limit on the current voltage regulator (VR). Press "+" or
"-" on your keyboard to change this value. Enter 0 to use the manufacture default
setting.
CPU C-States
C-States architecture, a processor power management platform developed 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 display: