Toshiba Satellite C640 - Manual (Page 52)

User’s Manual 3-7
Hardware, Utilities and Options
TOSHIBA Value Added Package
This section describes the TOSHIBA Component features preinstalled on
the computer.
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
Turns on fan first, if necessary
lowers CPU processing speed
earlier than at Maximum
Performance Mode for long
battery life.
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 Turning Off The Power section in Chapter 1,
Getting Started , 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.
TOSHIBA Power
Saver
TOSHIBA Power Saver provides you with the
features of more various power supply
managements.
TOSHIBA Zooming
Utility
This utility allows you to enlarge or reduce the
icon size on the Windows Desktop, or the zoom
factor associated with specific supported
applications.
TOSHIBA PC
Diagnostic Tool
The TOSHIBA PC Diagnostic Tool will display
basic system configuration information and allow
the functionality of some of the computer’s built-
in hardware devices to be tested.