Fujitsu DVD Player manual Power Management, Suspend/Resume Button, Suspend Mode, P O I N T

L i f e B o o k S S e r i e s – S e c t i o n T h r e e

Power Management

Your Fujitsu LifeBook notebook has many options and features for conserving battery power. Some of these features are automatic and need no user intervention, such as those for the internal modem. However, others depend on the parameters you set to best suit your oper- ating conditions, such as those for the display bright- ness. Internal power management 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 an appropriate power saving profile, put your notebook into Suspend mode when it is not performing an operation, and you can limit the use of high power devices. As with all mobile, battery powered computers, there is a trade-off between performance and power savings.

SUSPEND/RESUME BUTTON

When your LifeBook notebook is active, the Suspend/ Resume button can be used to manually put your note- book into Suspend mode. Push the 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. (See figure 2-5 on page 6 for location)

If your LifeBook notebook is suspended, pushing the Suspend/Resume button will return your notebook to active operation. You can tell whether or not your system is in Suspend mode by looking at the Power indi- cator. (See figure 2-5 on page 6) If the indicator is visible and not flashing, your notebook is fully operational. If the indicator is both visible and flashing, your notebook is in Suspend mode. If the indicator is not visible at all, the power is off or your notebook is in Save-to-Disk mode. (See Save-to-Disk Mode)

SUSPEND MODE

Suspend or Standby mode in Windows saves the contents of your LifeBook notebook’s system memory during periods of inactivity by maintaining power to critical parts. This mode will turn off the CPU, the display, the hard 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 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 LifeBook notebook’s system memory typically stores the file(s) on which you are working, open applica- tion(s) information, and any other data required to support the operation(s) in progress. When you resume operation from Suspend mode, your notebook will return to the point where it left off. You must use the Suspend/Resume button to resume operation, and there must be an adequate power source available, or your notebook will not resume.

P O I N T

If you are running your LifeBook notebook 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.

P O I N T

Disabling the Suspend/Resume button prevents it from being used to put your LifeBook notebook in Sus- pend or Hibernation (Save-to-Disk) mode. The resume function of the button cannot be disabled.

C A U T I O N

The Suspend or Hibernation (Save-to-Disk) mode should not be used with certain PC Cards. Check your PC Card documentation for more information.

When PC Cards or external devices are in use, Hiberna- tion (Save-to-Disk) mode cannot return to the exact state prior to suspension, because all of the peripheral devices will be re-initialized when the system restarts.

P O I N T

If your LifeBook notebook is actively accessing informa- tion when you enter the Suspend or Hibernation (Save- to-Disk) mode, changes to open files are not lost. The files are left open and memory is kept active during Sus- pend mode or the memory is transferred to the internal hard drive during Hibernation mode.

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