Article ID: 119595 - Last Review: November 15, 2006 - Revision: 1.1

Function Not Supported on This Computer

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SYMPTOMS

Typing MODE COMx:19200 results in the following error message:
Function not supported on this computer.
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CAUSE

IBM PS/2-style computers support extended INT 14h services that allow the baud rate to be set up to 19200. MODE uses this extended function support to initialize COM ports on PS/2-style systems.

Most non-PS/2-class machines do not have a ROM BIOS that supports this extended functionality.
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WORKAROUND

Rather than using MODE to set the baud rate, use an application that controls the COM port to set the baud rate.
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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
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MORE INFORMATION

This information is true for previous versions of MODE.COM as well the version in Windows 95.
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APPLIES TO
  • Microsoft Windows 95
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Keywords: 
kbprb KB119595
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Retired KB ArticleRetired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
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