DOCUMENT:Q149787 20-FEB-2002 [winnt] TITLE :3Com 3C59x Causes Windows NT Server to Stop Responding PRODUCT :Microsoft Windows NT PROD/VER::3.51 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server version 3.51 ------------------------------------------------------------------------------- SYMPTOMS ======== Under certain circumstances, your Windows NT Server freezes completely when you use a 3Com 3C59x network card with Bus Mastering enabled. CAUSE ===== The hang of the server is caused by a loop in the Windows NT 3.51 3Com 3C59x driver (from the Drvlib directory). RESOLUTION ========== 3Com provides a fix for the 3C59x network card driver (version 1.10.00). The new driver, EL59x.sys (version 1.10), is available at the following WWW location as 3c59xx.exe (a self extracting file): http://infodeli.3com.com/infodeli/swlib/shipping_adapter_files.htm The driver is also available from 3COM's Bulletin Board Service (BBS) at (408) 980-8204. The third-party products discussed here are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability. The third-party contact information included in this article is provided to help you find the technical support you need. This contact information is subject to change without notice. Microsoft in no way guarantees the accuracy of this third-party contact information. Additional query words: 3.51 ====================================================================== Keywords : Technology : kbWinNTsearch kbWinNT351search kbWinNTSsearch kbWinNTS351 kbWinNTS351search Version : :3.51 ============================================================================= 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 2002.