3 cpu ratio setting [auto, 4 intel(r) speedstep(tm) tech [enabled, 5 intel(r) turbomode tech [enabled – Asus P7P55D-E User Manual
Page 79: 6 xtreme phase full power mode [auto, 7 dram frequency [auto, Cpu ratio setting -17, Intel(r) speedstep(tm) tech -17, Intel(r) turbomode tech -17, Xtreme phase full power mode -17, Dram frequency -17

ASUS P7P55D-E
3-17
Chapter 3
3.5.3
CPU Ratio Setting [Auto]
Allows you to adjust the ratio between CPU Core Clock and BCLK Frequency. Use the <+>
and <-> keys to adjust the value. The valid value ranges differently according to your CPU
model.
3.5.4
Intel(R) SpeedStep(TM) Tech [Enabled]
When set to [Disabled], the CPU runs at its default speed. When set to [Enabled], the CPU
speed is controlled by the operating system. Configuration options: [Disabled] [Enabled]
3.5.5
Intel(R) TurboMode Tech [Enabled]
This item appears only if you set the CPU Ratio Setting item to [Auto]. Turbo mode allows
processor cores to run faster than marked frequency in specific condition.
Configuration options: [Disabled] [Enabled]
3.5.6
Xtreme Phase Full Power Mode [Auto]
[Auto]
Automatic configuration.
[Enabled]
Enables Full Power Mode to ensure the best CPU overclocking
performance.
The following two items appear only when you set the Ai Overclock Tuner item to
[Manual], [D.O.C.P.] or [X.M.P.].
BCLK Frequency [XXX]
Allows you to adjust the Internal Base Clock (BCLK). Use the <+> and <-> keys to adjust the
value. You can also type the desired value using the numeric keypad. The values range from
80 to 500.
PCIE Frequency [XXX]
Allows you to set the PCI Express frequency. Use the <+> and <-> keys to adjust the PCIE
frequency. The values range from 100 to 200.
3.5.7
DRAM Frequency [Auto]
Allows you to set the DDR3 operating frequency.
Configuration options: [Auto] [DDR3-800MHz] [DDR3-1066MHz] [DDR3-1333MHz] [DDR3-
1600*]
•
The DRAM Frequency configuration options vary with the BCLK Frequency item
settings.
•
According to Intel CPU spec, CPUs with a core frequency of 2.66G support the
maximum DIMM frequency of up to DDR3 1333. To use DIMMs of a higher frequency
with a 2.66G CPU, enable the DRAM O.C. Profile feature in BIOS. Refer to section
3.5.2 Ai Overclock Tuner for details.
Selecting a very high DRAM frequency may cause the system to become unstable! If this
happens, revert to the default setting.