Microsoft KB Archive/92716

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WFWG 3.10: 3Com EtherLink Supported Only with Sharing Disabled

Article ID: 92716

Article Last Modified on 10/13/2003


  • Microsoft Windows for Workgroups 3.1
  • Microsoft Windows for Workgroups Connection 1.0

This article was previously published under Q92716


The 3Com EtherLink network interface card (Model 3C501) is supported with Microsoft Windows for Workgroups (WFWG) only when sharing is disabled. However, Workgroup Connections 1.0 does support the adapter and ships with an appropriate driver.

To disable sharing with Windows for Workgroups, follow either of the following steps:

  • Start Windows for Workgroups in standard mode by typing the following at the MS-DOS command prompt:

    win /s

  • Start Windows for Workgroups in 386 enhanced mode and disable sharing. To disable sharing, open Control Panel, choose the Network icon, and clear the Enable Sharing check box.

    NOTE: You can also disable the Enable Sharing check box by adding the following line to the [network] section of the SYSTEM.INI file:


    When this value is set to 1, the Enable Sharing section is unavailable and you cannot enable or disable sharing with the check box. If the value for this entry is 0, the Enable Sharing section is available and you can use the check box to turn sharing on or off. The default is 0 (Enable Sharing section is available).

Using the 3C501 card on a Windows for Workgroups server in 386 enhanced mode may cause data corruption on certain machines and is not recommended or supported. The 3C501 is fully supported with Workgroup Connections.


The 3Com EtherLink (3C501) driver is available on the Internet The filename is 3COM.EXE. It is NOT shipped with the retail version of Windows for Workgroups version 3.1.

The following 3Com card is supported with Windows for Workgroups with sharing disabled and with Workgroup Connections:

   3Com Model    NDIS Driver  WFW/WC Name
   ----------    -----------  -----------

   3C501         ELNK.DOS     3Com EtherLink

The following 3Com cards are supported with Windows for Workgroups in any mode and with Workgroup Connections:

   3Com Model    NDIS Driver  WFW/WC Name
   ----------    -----------  -----------

   3C503         ELNKII.DOS   3Com EtherLink II (8-bit or 16-bit)
   3C505         ELNKPL.DOS   3Com EtherLink Plus
   3C507         ELNK16.DOS   3Com EtherLink 16
   3C523         ELNKMC.DOS   3Com EtherLink/MC
   3C509         ELNK3.DOS    3Com EtherLink III

Additional query words: 1.0 1.00 3.1 3.10 LAN Manager LANman elink elnk three com 3-com

Keywords: KB92716