Short Battery Life on Your Pentium III-M Tualatin Processor Computer (810064)



The information in this article applies to:

  • Microsoft Windows XP Professional SP1
  • Microsoft Windows XP Home Edition SP1

SYMPTOMS

The battery in your computer with a Pentium III-M Tualatin processor may lose its charge sooner than you expect. This symptom occurs on computers that have a Pentium III-M Tualatin processor that uses the legacy IST interface.

CAUSE

This problem may occur if the P3.sys driver is not initialized correctly. When this occurs, the B1 step of the SpeedStep-capable processor is not enabled, so your battery charge may drain faster than usual.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

322389 How to obtain the latest Windows XP service pack

Hotfix information

A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version        Size    File name
   ----------------------------------------------------
   25-NOV-2002  13:59  5.1.2600.1145  37,632  P3.sys

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Microsoft Windows XP Service Pack 2.

MORE INFORMATION

For additional information about the Pentium III Tualatin Processor, click the following article number to view the article in the Microsoft Knowledge Base:

314748 A Pentium III Tualatin Processor and 440MX Chipset Combination with a Legacy Interface Is Not Initialized


Modification Type:MinorLast Reviewed:10/10/2005
Keywords:kbHotfixServer kbQFE ATdownload kbWinXPsp2fix kbenv kbprb kbQFE kbWinXPpreSP2fix kbfix kbbug KB810064