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 ====================================================================== ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 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: ====================================================================== 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 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.