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Universal Serial Bus 2.0 support in Windows XP

Article ID: 312370 - View products that this article applies to.

This article was previously published under Q312370

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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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