DOCUMENT:Q152124 09-AUG-2001 [winnt] TITLE :USR-Megahertz 288 Ethernet/Modem Combo Card Fails PRODUCT :Microsoft Windows NT PROD/VER:3.51 OPER/SYS: KEYWORDS:kbsetup ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Workstation version 3.51 - Microsoft Windows NT Server version 3.51 ------------------------------------------------------------------------------- SYMPTOMS ======== The USR-Megahertz 288 Ethernet Combo card XJ/CCEM3288 is configured by default to function correctly on COM3 with Windows NT version 3.51. When the Combo card is configured for any other COM port, the LAN portion of the Combo card functions, but the MODEM may not. The Combo card configuration can be verified by looking in the Ethernet configuration window. CAUSE ===== SERIAL.SYS and PCMCIA.SYS do not properly configure and share interrupts for this card. RESOLUTION ========== To correct this problem, you must either: - Reconfigure the card to use COM3 only -or- - Replace your PCMCIA.SYS and SERIAL.SYS files with the fixed versions provided by Microsoft. Instructions for downloading this fix are included below. STATUS ====== Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem was corrected in the latest Windows NT 3.51 U.S. Service Pack. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces): S E R V P A C K MORE INFORMATION ================ The 288 Ethernet Combo Card XJ/CCEM3288 is manufactured by U.S. Robotics - Megahertz, a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability. Additional query words: prodnt new shell ====================================================================== Keywords : kbsetup Technology : kbWinNTsearch kbWinNTWsearch kbWinNT351search kbWinNTW351search kbWinNTW351 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 2001.