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Article ID: 312370 - Last Review: April 29, 2014 - Revision: 6.0

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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.

Cause

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

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

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.

Applies to
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
Keywords: 
kbhotfixserver kbqfe kbPubTypeKC kbenv kbappcompatibility kbbug kbfix kboswin2000fix kbwinxpsp1fix KB312370
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