Thomas Conrad TC6245 ArcNet ISA Adapter Requires EMM Exclusion (132386)


The information in this article applies to:

  • Microsoft Windows 95
  • Microsoft Windows 98
This article was previously published under Q132386
If this article does not describe your hardware-related issue, please see the following Microsoft Web site to view more articles about hardware:

http://support.microsoft.com/default.aspx/w98?sid=460

SYMPTOMS

When you start Windows, your computer may no longer appear on the network.

CAUSE

This behavior can occur if your computer contains a Thomas Conrad TC6245 ArcNet ISA network adapter This network adapter requires a memory exclusion to prevent other devices from using its address space.

RESOLUTION

To resolve this behavior, use either of the following methods to exclude the address space used by the Thomas Conrad network adapter:
  • Use any text editor (such as Notepad) to add the following line to the [386Enh] section of the System.ini file:
          EMMExclude=DC00-DFFF
  • If you are loading Emm386.exe in the Config.sys file, use any text editor (such as Notepad) to add the following exclusion to the end of the line that loads Emm386.exe:
          X=DC00-DFFF
    For example, the line in your Config.sys file may be similar to the following line:
          DEVICE=C:\Windows\Emm386.exe noems X=DC00-DFFF
After you make the change specified in either method, shut down and then restart your computer.

NOTE: You may have to use different values for the exclusion. Make sure to exclude the actual range the card is configured to use.
Modification Type:MajorLast Reviewed:7/13/2006
Keywords:kbHardware kbnetwork kbprb KB132386
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