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Article ID: 922128 - Last Review: August 29, 2007 - Revision: 2.1

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SYMPTOMS

On a Microsoft Windows XP-based computer that uses certain ATI chipsets, you do not receive notification when the USB bus is overloaded. For example, you do not receive notification if the sum of the power requirements for the connected USB devices is more than the available power that is provided by the USB bus.

Note If you have too many USB devices connected to the USB bus, one or more of these USB devices may not work. For more information about this issue, click the following article number to view the article in the Microsoft Knowledge Base:
885624  (http://support.microsoft.com/kb/885624/ ) One or more USB devices may not work after you start your Windows XP-based computer

RESOLUTION

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

File information

The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Usbhub.sys5.1.2600.294158,24029-Jun-200610:03x86

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

APPLIES TO
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
Keywords: 
kbautohotfix kbwinxpsp3fix kbwinxppresp3fix kbhotfixserver kbqfe kbexpertiseinter KB922128
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