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Compaq Armada 7400 White Paper
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Compaq Armada 7400 White Paper

Compaq Armada 7400 White Paper

Battery calibration
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Download this manual See also: Reference Manual, Installation Manual
White Paper
April 1999
[PRT017A/0199]
Prepared by Portables Software
Marketing
Compaq Computer Corporation
Contents
Overview.......................................3
Battery Calibration.......................3
Calibrating Without the
Utility.............................................5
Frequently Asked Questions ......5
Armada 7800 and 7400 Battery
Calibration
Abstract: In 1Q'99, Armada 7800 and 7400 computers will feature
a new, higher capacity battery. In addition to providing higher
capacity, the new battery features a more accurate method for
measuring remaining capacity. Although more accurate, this new
method is prone to error when subjected to many short
charge/discharge cycles. Correcting this accumulated error requires
periodic calibration. To make calibration as easy as possible for
users, Compaq has developed a new software battery calibration
utility.

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Summary of Contents for Compaq Armada 7400

  • Page 1 White Paper April 1999 [PRT017A/0199] Prepared by Portables Software Marketing Compaq Computer Corporation Contents Overview...3 Battery Calibration...3 Calibrating Without the Utility...5 Frequently Asked Questions ...5 Armada 7800 and 7400 Battery Calibration Abstract: In 1Q’99, Armada 7800 and 7400 computers will feature a new, higher capacity battery.
  • Page 2 Armada 7800 and 7400 Battery Calibration Notice The information in this publication is subject to change without notice and is provided “AS IS” WITHOUT WARRANTY OF ANY KIND. THE ENTIRE RISK ARISING OUT OF THE USE OF THIS INFORMATION REMAINS WITH RECIPIENT. IN NO EVENT SHALL COMPAQ BE LIABLE FOR ANY DIRECT, CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE OR OTHER DAMAGES WHATSOEVER (INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION OR LOSS OF BUSINESS INFORMATION), EVEN IF...

  • Page 3: Battery Calibration

    Armada 7800 and 7400 Battery Calibration Overview The new High Capacity SMART Battery started shipping with the new Armada 7800 and 7400 notebook computers. This battery uses a new chemistry that requires a different method to measure remaining battery capacity. This new method begins with a known capacity value for the battery pack.
  • Page 4 Armada 7800 and 7400 Battery Calibration To use the calibration utility first identify whether or not the battery requires calibration. MPORTANT On the battery calibration tab, all installed batteries will be displayed in the primary list While the tab displays all box.

  • Page 5: Frequently Asked Questions

    Armada 7800 and 7400 Battery Calibration Calibrating Without the Utility The Battery Calibration tab will not appear on Armada 7000 family computers produced prior to 1Q99. The new High Capacity SMART Battery is still backward compatible with these computers though. To calibrate the new battery on these systems using the following steps: (1) Remove any second battery from the notebook, leaving only the battery to be calibrated.

This manual is also suitable for:

Armada 7800