Toshiba NB250 User Manual
Page 23
User’s Manual
1-7
Introduction
HDD automatic power
off
*1
This feature automatically cuts off power to the
hard disk drive when it is not accessed for a
specified time, with power being restored when
the hard disk drive is next accessed. This can be
specified in the Power Options.
System automatic
Sleep/Hibernation
Mode
*1
This feature automatically shuts down the system
into either Sleep Mode or Hibernation Mode when
there is no input or hardware access for a
specified time. This can be specified in the Power
Options.
Keypad overlay
A ten-key numeric keypad is integrated into the
keyboard. Please refer to the
section in Chapter 5,
, for
information on using this feature.
Power on password
Two levels of password security, supervisor and
user, are available to prevent unauthorized
access to your computer.
Instant security
A specific hot key function automatically locks the
system providing data security.
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.
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 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 the fan first, then
lowers the CPU processing
speed if necessary.
Battery Optimized Lowers the CPU processing
speed first, then turns on the
fan if necessary.