ASUS F2A55 User Manual

Chapter 2: BIOS information

2-13

Displays the current CPU speed.

Displays the current DRAM speed.

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.

This item appears only when you set the Ai Overclock Tuner item to [Manual]. Use the <+> 

and <-> keys to adjust the value. You can also key in the desired value using the numeric 

keypad. The values range from 90.0MHz to 300.0MHz.

Allows you to set the memory operating frequency. Configuration options: [Auto] [DDR3-

800MHz] [DDR3-1066MHz] [DDR3-1333MHz] [DDR3-1600MHz] [DDR3-1866MHz] [DDR3-

2133MHz] [DDR3-2400MHz]

Selecting a very high memory frequency may cause the system to become unstable! If this 

happens, revert to the default setting.

Allows you to set the multiplier between the CPU Core Clock and the FSB Frequency. Use 

the <+> and <-> keys to adjust the ratio. The valid value ranges vary according to your CPU 

model.

Allows you to adjust the NB frequency. Use the <+> and <-> keys to adjust the value. You 

can also key in the desired value using the numeric keypad.

Allows you to enable or disable the EPU power saving function. Configuration options: 

[Disabled] [Enabled]

EPU Setting [Auto]
This item appears only when The EPU Power Saving Mode is set to [Enabled]  and 

allows you to set power saving mode. Configuration options: [Auto] [Light Power 

Saving Mode] [Medium Power Saving Mode] [Max Power Saving Mode]