Toshiba Satellite A300D User Manual
Page 34
1-10
User’s Manual
A300/A300D
Panel power on/off
This feature turns power to the computer off 
when the display panel is closed and turns it 
back on when the panel is opened. This can be 
specified in the Power Options. 
Low battery 
automatic 
hibernation mode
When battery power is exhausted to the point 
that computer operation cannot be continued, the 
system automatically enters hibernation and 
shuts down. This can be specified in the Power 
Options.
Heat dispersal
To protect from overheating, the CPU has an 
internal temperature sensor. If the computer’s 
internal temperature rises to a certain level, the 
cooling fan is turned on or the processing speed 
is lowered. This can be specified in the Power 
Options. 
Maximum 
Performance
Turns on fan first, then if 
necessary lowers CPU 
processing speed.
Battery 
Optimized
Lowers the CPU processing 
speed first, then if necessary 
turns on the fan.
Hibernation
This feature allows you to turn off the power 
without exiting from your software. The contents 
of main memory are saved to the hard disk, when 
you turn on the power again, you can continue 
working right where you left off. Refer to the 
section in Chapter 3,
, for details
Sleep
If you have to interrupt your work, you can turn 
off the power without exiting from your software. 
Data is maintained in the computer’s main 
memory. When you turn on the power again, you 
can continue working right where you left off.