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Acer AcerNote 950 User Manual

Acer acernote 950: user guide
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Operating on Battery Power

This chapter contains the information you need to know to operate the
notebook on battery power.
2.1

Battery Pack

Whenever possible, use the AC adapter. The battery will come in handy
when you travel or during a power failure. It is advisable to have an extra
fully-charged battery pack available for backup. The battery pack is installed
in the power bay. Before removing the battery pack, make sure that you turn
off the notebook and close the LCD display properly. Place the unit in an
upside-down position and unlock the power bay lock to release the battery
pack as shown in Figure 2-1.
Battery pack
Figure 2-1
Removing the Battery Pack
1
If a CD-ROM drive / battery pack unit is installed in the notebook, you need to remove the whole unit
from the accessory and power bays. Then, detach the battery pack from the CD-ROM drive module.
Operating on Battery Power
C h a p t e r
Power bay lock
1
2
2-1

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Summary of Contents for Acer AcerNote 950

  • Page 1: Operating On Battery Power

    Operating on Battery Power This chapter contains the information you need to know to operate the notebook on battery power. Battery Pack Whenever possible, use the AC adapter. The battery will come in handy when you travel or during a power failure. It is advisable to have an extra fully-charged battery pack available for backup.

  • Page 2: Battery Pack Characteristics

    Do not expose battery packs to temperatures below 0ºC (32ºF) or above 60ºC (140ºF). This may adversely affect the battery pack. Currently, there is no defined standard for measuring battery life. Several factors have made it almost impossible to compare the battery life of different notebooks based on specifications alone.

  • Page 3: Installing A Secondary Battery Pack

    2.1.2 Installing a Secondary Battery Pack The notebook’s modular design allows you to use two battery packs at the same time. The primary battery pack is inserted into the power bay and a secondary battery can be inserted into the accessory bay when you need it. When the Accessory Bay Houses a Diskette Drive Follow these steps to install a secondary battery pack.
  • Page 4 When the Accessory Bay Houses a CD-ROM Drive When the 6-cell Li-Ion battery pack is installed in the power bay, do not install a secondary battery pack. Follow these steps to install a secondary battery pack. Make sure the system power is off.

  • Page 5: Charging The Battery

    Charging the Battery Place the battery pack inside the battery compartment and plug the AC adapter into the notebook and an electrical outlet. The adapter has three charging modes: Rapid mode The system uses rapid charging when the notebook (with a battery pack installed) is turned off and a powered AC adapter is connected to it.

  • Page 6: Checking The Battery Level

    Checking the Battery Level The system features battery-low warning signals that are both audible and visible. When the battery pack is low, the system emits warning beeps at regular intervals. You can turn off this feature by disabling the Battery-low Warning Beep parameter in the Setup utility (refer to section 4.6.5).
  • Page 7 Using the Battery LEDs To check the battery using the battery LEDs: Table 2-1 is a battery-level chart. Table 2-1 Battery-level Chart Battery LEDs L L L L L L L L L L L L When the battery is fully charged (100 percent), the battery LEDs turn off automatically.

  • Page 8: Optimizing Battery Life

    Optimizing Battery Life This section helps you get the most out of battery operation. Optimizing battery life prolongs the charge/recharge cycle and improves recharge efficiency. 2.4.1 Maximizing Battery Power Follow these suggestions to maximize battery power: Purchase an extra battery pack. Use the system utility PHDISK to reserve hard disk space for the zero- volt suspend function once the system is installed with DOS.

  • Page 9: Conditioning The Battery Pack

    Eject the PCMCIA card from the card slot when not in use, since the PCMCIA card draws extra power. When using a network card, logout first before ejecting the card. Use the disk cache utility SMARTDRV (bundled with MS-DOS) or create a virtual disk (RAMDRIVE) to lessen the loading of the hard disk drive.
  • Page 10 Enter Setup by pressing the no-reboot Setup button ( discharge function is not available if you enter Setup using boot-up. Phoenix NoteBIOS Setup - Copyright 1985-95 Phoenix Technologies Ltd. Power Management Mode Hard Disk Standby Timer Display Standby Timer System Standby/Suspend Timer Battery-Low Warning Beep Standby/Suspend Upon Battery-Low Password Check During Resume...
  • Page 11 After the utility has discharged the battery pack, the notebook power turns off. The AC adapter then charges the battery pack. As the battery is being recharged, the battery LEDs light up from one (0~20 percent) to five (80~99 percent) and turns off at one hundred percent. We suggest that you perform this function by activating it at night before retiring, letting it discharge overnight before traveling.

  • Page 12: Power Management

    Power Management This notebook has a built-in power management unit that monitors system activity. System activity refers to any activity involving one or more of the following devices: keyboard, mouse, diskette drive, hard disk drive, peripherals connected to the serial and parallel ports, and video memory. If no activity is detected for a specified period of time (called an inactivity time- out), the system switches to one of the power-saving modes to conserve energy.

  • Page 13: System Standby Mode

    2.5.3 System Standby Mode The system consumes very low power in system standby mode. remain intact in the system memory. When the system enters system standby mode, power is supplied only to the CPU, DRAM (memory), VGA controller and VRAM (video memory). Power is cut off to the rest of the system.

  • Page 14: Suspend Mode

    2.5.4 Suspend Mode In suspend mode the system power shuts off. The system saves all system information onto the hard disk before it enters suspend mode. The system restores this information and resumes where you left off upon leaving suspend mode. A necessary condition for the system to enter suspend mode is that the reserved space for saving system information on the hard disk must be larger than the combined system and video memory size.

  • Page 15: Advanced Power Management (Apm)

    Advanced Power Management (APM) This notebook supports the APM standard designed to further reduce system power consumption. defined jointly by Microsoft supports APM to take advantage of power saving features and allows greater system availability without degrading performance. To use the APM feature under the Windows environment, run Windows Setup and select MS-DOS System with APM the System Information menu.

  • Page 16: Battery-Low Warning

    Battery-low Warning You never have to worry about battery power as long as you are using the AC adapter. However, when you operate the notebook on battery power, pay extra attention to the status LCD. The battery-low icon ( power is low. If a secondary battery pack is installed and the battery-low icon appears, the secondary battery pack is also running low on power.
  • Page 17 Table 2-2 lists the recommended course of action when you encounter a battery-low condition. Table 2-2 Course of Action for Battery-low Condition Situation AC adapter and power outlet available An extra fully-charged battery pack available AC adapter or power outlet not available Operating on Battery Power Recommended Action...

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