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
One or more USB devices may not work after you start your Windows XP-based computer
RESOLUTION
Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend 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 hotfix. For a complete list of Microsoft Product Support Services telephone 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 usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
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.
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| Usbhub.sys | 5.1.2600.2941 | 58,240 | 29-Jun-2006 | 10:03 | x86 |