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User’s Manual 4-6
NB500/NB505/NB520/NB525/NB550D/NB555D Series
Intelligent power
supply
*1
A microprocessor in the computer's intelligent
power supply detects the battery's charge,
automatically calculates the remaining battery
capacity and protects electronic components from
abnormal conditions such as a voltage overload
from the AC adaptor. This can be specified in the
Power Options.
Battery save mode
*1
This feature lets you configure the computer in
order to save battery power. This can be specified
in the Power Options.
Panel power on/off
*1
This feature automatically turns power to the
computer off when the display panel is closed, and
turns it back on when the display panel is opened.
This can be specified in the Power Options.
Low battery
automatic
Hibernation Mode
*1
When battery power is exhausted to the point that
computer operation cannot be continued, the
system automatically enters Hibernation Mode and
shuts itself down. This can be specified in the
Power Options.
Heat dispersal
*1
To protect against overheating, the processor has
an internal temperature sensor so that, 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.
Hibernation Mode This feature lets you turn off the power to the
computer without exiting from your software. The
contents of main memory are automatically saved
to the hard disk drive so that when you next turn
the power on again, you can continue working right
where you left off. Refer to the Turning off the
power section in Chapter 1, Getting Started, for
more details.
Sleep Mode If you have to interrupt your work, you can use this
feature to allow you to turn off power to the
computer without exiting from your software. Data
is maintained in the computer's main memory so
that when you next turn on the power, you can
continue working right where you left off.
USB Wakeup
function
This function restores the computer from Sleep
Mode depending on the external devices
connected to the USB ports.
For example, if a mouse or USB keyboard is
connected to a USB port, clicking the mouse
button or pressing the keyboard will wakeup the
computer.