Sony PCG-GR300K VAIO User Manual page 101

Optimizing clock speed settings
To customize your notebook's CPU performance, you can set the clock speed according to one of three available modes:
Maximum performance, Auto performance, and Battery optimized.
Changing the clock speed mode
 Right-click the flag icon on the lower-right portion of the taskbar, and select Properties. The "Intel SpeedStep
technology" dialog box appears.
 Select one of the following modes:
Icon Mode Description
Maximum performance
The Maximum performance mode sets the CPU's clock speed to its maximum speed at all times.
Auto performance
In Auto performance mode, the CPU clock speed changes automatically, depending on usage.
Battery optimized
The Battery optimized mode reduces the CPU clock speed and battery voltage to conserve power when the notebook is
operating on battery power.
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