Microsoft KB Archive/58287

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AutoCAD Plotter Communication Under Windows 3.0


The information in this article applies to:

  • Microsoft Windows versions 3.0, 3.0a

If you use Autodesk's AutoCAD application with a plotter, AutoCAD queries the plotter interactively for document size and other parameters.

When you run AutoCAD under Microsoft Windows 3.0, the return values from the plotter are incorrect. AutoCAD generates an error message similar to the following:

Invalid hard clip limits returned from plotter;

AutoCAD polls the communications port to read the data sent by the plotter. Because the data read is not interrupt driven, you may lose data if other virtual machines are allowed to be scheduled while this application is trying to poll data from the communications port.

The only workaround at this time is to run AutoCAD VM-exclusive.

The product included here is manufactured by a vendor independent of Microsoft; we make no warranty, implied or other wise, regarding this product's performance or reliability.

Additional query words: 3.0 3.0a 3.00 3.00a

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Issue type :
Technology : kbWin3xSearch kbWin300 kbWin300a

Last Reviewed: December 11, 1999
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