Article ID: 312370 - Last Review: May 7, 2007 - Revision: 3.7

Universal Serial Bus 2.0 support in Windows XP

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This article was previously published under Q312370

To continue receiving security updates for Windows, make sure you're running Windows XP with Service Pack 3 (SP3). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows (http://windows.microsoft.com/en-us/windows/help/end-support-windows-xp-sp2-windows-vista-without-service-packs)

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SYMPTOMS

You may experience any of the following symptoms:
  • Your Hi-Speed Universal Serial Bus (USB) 2.0 device does not operate in Hi-Speed mode.
  • If you plug in a Hi-Speed USB 2.0 device, you receive any of the following warnings:
    The Generic USB Hub is a HI-SPEED USB device and will function at reduced speed when plugged into a non-HI-SPEED port.

    HI-SPEED USB Device Plugged into non-HI-SPEED USB Hub. A HI-SPEED USB device is plugged into a non-HI-SPEED USB hub.
  • An Enhanced Host Controller Interface-compliant (EHCI-compliant) USB host controller appears in Device Manager with an exclamation point in a yellow circle, or with status code 28.
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CAUSE

These symptoms occur because Windows XP does not include support for EHCI host controllers.
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RESOLUTION

To resolve this problem, obtain the latest service pack for Windows XP. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
322389  (http://support.microsoft.com/kb/322389/ ) How to obtain the latest Windows XP service pack
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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 Windows XP Service Pack 1.
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MORE INFORMATION

For additional information about USB 2.0 support, visit the following Microsoft Web site:
http://www.microsoft.com/whdc/default.mspx (http://www.microsoft.com/whdc/default.mspx)
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APPLIES TO
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
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Keywords: 
kbhotfixserver kbqfe kbpubtypekc kbenv kbappcompatibility kbbug kbfix kboswin2000fix kbwinxpsp1fix KB312370
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