13
POWER MANAGEMENT
Your UH-X has many options and features for
conserving battery power. Some of these features are
automatic and need no user intervention. However,
others depend on the parameters you set to best suit
your operating conditions, such as those for the display
brightness. Internal power managements for your
notebook may be controlled from settings made in your
operating system, pre-bundled power management
application, or from settings made in BIOS setup utility.
Besides the options available for conserving battery
power, there are also some things that you can do to
prevent your battery from running down as quickly. For
example you can create as appropriate power saving
profile, put your notebook into Suspend mode when it
is not performing as operation, and you can limit the
use of high power devices. As with all mobile, battery
power computers, there is a trade-off between
performance and power savings.
Power/Suspend/
Resume Button
When you UH-X is active, the Power/Suspend/Resume
button can be used to manually out your notebook into
Suspend mode. Push the Power/Suspend/Resume
button when your notebook is active, but not actively
accessing anything, and immediately release the
button. You will hear two short beeps* and your system
will enter Suspend mode.
If your UH-X is suspended, pushing the
Power/Suspend/Resume button returns your notebook
to active operation. You can tell whether the system is
Suspended by looking at the Power indicator. If the
indicator is visible and not flashing, your notebook is
fully operational. If the indicator is visible and flashing,
your notebook is in Suspend mode. If the indicator is
not visible, the power is off or your notebook is in
Hibernation mode. (See Hibernation Feature)
* Only applicable for some models
Suspend Mode
Suspend or Standby mode in Windows saves the
contents of your notebook's system memory during
periods of inactivity by maintaining power to critical
parts. This mode will turn off the CPU, the display, the
storage drive, and all of the other internal components
except those necessary to maintain system memory
and allow for restarting. Your notebook can be put in
Suspend mode by:
• Pressing the Power/Suspend/Resume button when
your system is turned on.
• Selecting Standby from the Windows Shut Down
menu.
• Timing out from lack of activity.
• Allowing the battery to reach the Dead Battery
warning condition.
Your notebook's system memory typically stores the file
on which you are working you are working, open
application information, and any other data required to
support operation from Suspend mode, your notebook
will return to the point where it left off. You must see
the Power. Suspend/Resume button to resume
operation, and there must be as adequate power source
available, or your notebook will not resume.
If you are running your UH-X on battery
power, be aware that the battery continues to
discharge while your notebook is in Suspend
mode, though not as fast as when fully
operational.
The main advantage of using the Hibernation
(Save-to-Disk) function is that power is not
required to maintain your data. This is
particularly important if you will be leaving
your UH-X notebook in a suspended state for
a prolonged period of time. The drawback of
using Hibernation mode is that it lengthens
the power down and power up sequences and
resets peripheral devices.
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