DOCUMENT:Q196661  10-AUG-2001  [winnt]
TITLE   :Windows NT 4.0 Does Not Support Universal Serial Bus
PRODUCT :Microsoft Windows NT
PROD/VER::2000,4.0
OPER/SYS:
KEYWORDS:kbhw kbHardware

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The information in this article applies to:

 - Microsoft Windows NT Server, Enterprise Edition version 4.0 
 - Microsoft Windows NT Server version 4.0 
 - Microsoft Windows NT Workstation version 4.0 
 - Microsoft Windows 2000 Professional 
 - Microsoft Windows 2000 Server 
 - Microsoft Windows 2000 Advanced Server 
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SUMMARY
=======

Windows NT 4.0 does not support Universal Serial Bus (USB) host controllers.
There are no plans to provide USB support in Windows NT 4.0 in a future service
pack.

MORE INFORMATION
================

Microsoft Windows 2000, Microsoft Windows 98, and Microsoft Windows 95 OEM
Service Release versions 2.1 and 2.5 provide support for the Open Host
Controller Interface (OHCI) and Universal HCI (UHCI) specifications. Microsoft
provides full supportfor USB under the new Windows Driver Model (WDM).

For more information about Microsoft Windows 98 support, see the following
article in the Microsoft Knowledge Base:

   Q184400 Supported Universal Serial Bus Host Controllers for Windows 98 and
   Windows Me

For more information about USB specifications, visit the following Microsoft Web
site:

   http://www.microsoft.com/hwdev/usb/

Additional query words:

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Keywords          : kbhw kbHardware 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbwin2000AdvServ kbwin2000AdvServSearch kbwin2000Serv kbWinNTSsearch kbWinNTSEntSearch kbWinNTSEnt400 kbWinNTS400search kbWinNTS400 kbwin2000ServSearch kbwin2000Search kbwin2000ProSearch kbwin2000Pro kbWinAdvServSearch
Version           : :2000,4.0
Issue type        : kbinfo

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Copyright Microsoft Corporation 2001.