Asus P7P55D-E PRO - Manual (Page 77)

ASUS P7P55D-E PRO 3-17
Chapter 3
3.5.3 CPU Ratio Setting [Auto]
Allows you to set the ratio between the CPU Core Clock and the BCLK Frequency. Use the <+>
and <-> keys to adjust the ratio. The valid value ranges vary according to your CPU model.
3.5.4 Intel(R) SpeedStep(TM) Tech [Enabled]
[Enabled] The CPU speed is controlled by the operating system.
[Disabled] The CPU runs at its default speed.
3.5.5 Intel(R) TurboMode Tech [Enabled]
[Enabled] Allows processor cores to run faster than marked frequency in specific
condition.
[Disabled] Disables this function.
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.], [X.M.P.] or [CPU Level Up].
3.5.7 BCLK Frequency [XXX]
Allows you to adjust the CPU operating frequency to enhance the system performance. Use
the <+> and <-> keys to adjust the value. You can also key in the desired value using the
numeric keypad. The values range from 80 to 500.
3.5.8 PCIE Frequency [XXX]
Allows you to set the PCI Express frequency. Use the <+> and <-> keys to adjust the PCIE
frequency. You can also key in the desired value using the numeric keypad. The values range
from 100 to 200.
3.5.9 DRAM Frequency [Auto]
Allows you to set the DDR3 operating frequency. The configuration options vary with the
BCLK Frequency item settings.
Selecting a very high DRAM frequency may cause the system to become unstable! If this
happens, revert to the default setting.
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.
3.5.10 QPI Frequency [Auto]
Allows you to set the QPI frequency.