AST RESEARCH, INC. INFORMATIONAL BULLETIN # 0081 1/27/99
TITLE Optimum Longevity from Your Notebook Battery
SUMMARY
Care and feeding of your battery is an important part of notebook
ownership and will reward you with maximum battery life. This
bulletin expounds upon the instructions given in the User's
Manual, however it is not intended to replace the message in the
User's Manual.
NOTES
As your battery is used (charged and discharged), it is expected
that the length of time the battery will operate the unit will
decrease. This is typical battery behavior. However, the
following steps have successfully been used in many cases to
extend the usable life of the battery:
* Remove A/C power
* With power off, insert the battery
* Turn the power on and enter Setup at boot (F2)
NOTE: If battery is already completely discharged
and is unable to power the system, proceed to the RECHARGE
SECTION below
* In Setup, go to the Power savings section and set the PM
Control or Mode to OFF or Disabled (as applicable) and the
Power Savings mode to Customize.
NOTE: Depending on the system you have, some of the field names
may be slightly different.
* As they apply to your particular system, set the following
fields to 'OFF' or 'Disabled':
Standby Timeout, Suspend Timeout, SmartSleep Timeout, Rest
Timeout, Hard Disk Timeout or Powerdown, Video Timeout, LCD
Powerdown, Resume on Modem Ring & Resume On Time or Schedule
* Proceed to the Exit menu, Save Changes & Exit
* Go to a pure DOS prompt by (do not shell out from Windows):
-Use a bootable floppy diskette or
-In Windows 95/98, hold down the left Ctrl key following the
POST beep and select 'Safe mode command prompt only' from the
Startup Menu
* Allow your unit to completely drain the battery and shut off
by itself
RECHARGE SECTION
* Following the shutdown, plug in the A/C power and completely
charge the battery to capacity. The battery capacity status
can be viewed by the indicator lights on some models of AST
batteries or in other cases use the function key (Fn+ x)
combination for the particular system you are using.
* Repeat the discharge/charge process one or two more times to
regain the maximum potential the battery is capable of.
NOTE: Like any battery, the battery will never regain the
capacity of a brand new battery, but will regain its maximum
capacity for its current condition.
* Once you have completed the entire process, return to Setup
and reset the Power menu fields to your preference.
Consider repeating this process every few hundred hours of
battery usage.
TAN TPR 000244RW
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The information in this data sheet is subject to change without
notice. AST Research, Inc. shall not be liable for technical or
editorial errors or omissions contained herein; nor for incidental or
consequential damages resulting from the furnishing, performance,
or use of this material. This material contains information protected
by copyright. No part of this material may be reproduced in any form
without prior written consent from AST Research, Inc.
All rights reserved.
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BWizard 1.0