Asus P7Q57-M DO/CSM User Manual page 40

DRAM O.C. Profile [DDR3-1600MHz]
This item appears only when you set the Ai Overclock Tuner item to [D.O.C.P.] and
allows you to select a DRAM O.C. profile, which applies different settings to DRAM
frequency, DRAM timing and DRAM voltage.
Configuration options: [DDR3-1600MHz] [DDR3-1800MHz] [DDR3-1866MHz] [DDR3-
2000MHz] [DDR3-2133MHz]
eXtreme Memory Profile [Disabled]
This item appears only when you set the Ai Overclock Tuner item to [X.M.P.]
To obtain the best performance of the X.M.P. DIMM or 1600MHz DIMM, install only one
DIMM on each memory channel.
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 100 to 266. This item appears only
when you set the Ai Overclock Tuner item to [Manual] or [D.O.C.P.]
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 150. This item appears only when you set the Ai Overclock
Tuner item to [Manual] or [D.O.C.P.]
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.
DRAM Frequency [Auto]
Allows you to set the DDR3 operating frequency. Configuration options: [Auto]
[DDR3-800MHz] [DDR3-1066MHz] [DDR3-1333MHz]
The DRAM Frequency 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.
QPI Frequency [Auto]
Allows you to set the QPI operating frequency.
Configuration options: [Auto] [4270MHz] [4800MHz]
2-10 Chapter 2: BIOS information