Asus Crosshair V Formula/ThunderBolt - Manual (Page 90)

3-6 Chapter 3: BIOS setup
Scroll down to display the following items:
Ai.Overclock.Tuner.[Auto]
Allows you to select the CPU overclocking options to achieve the desired CPU
internal frequency. Select any of these preset overclocking configuration options:
[Auto]
Loads the optimal settings for the system.
[Manual] Allows you to individually set overclocking parameters.
[D.O.C.P.] Allows you to select a DRAM voltage.
OC.Tuner.[CANCEL]
OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM.
Configuration options: [CANCEL] [OK]
CPU.Ratio.[Auto]
Allows you to manually adjust the maximum non-CPB CPU ratio. Use <+> and
<-> keys to adjust the value. The valid value ranges vary according to your CPU
model.
Memory.Frequency.[Auto]
Allows you to set the memory operating frequency. Configuration options: [DDR3-
800MHz] [DDR3-1066MHz] [DDR3-1333MHz] [DDR3-1600MHz]
Selecting a very high memory frequency may cause the system to become
unstable! If this happens, revert to the default setting.
CPU/NB.Frequency.[Auto]
Sets the ratio between northbridge (in CPU) Clock and the CPU Bus frequency.
Configuration options: [Auto] [1400MHz] [1600MHz] [1800MHz] [2000MHz]
[2200MHz] [2400MHz] [2600MHz] [2800MHz] [3000MHz] [3200MHz]