Microsoft KB Archive/83742

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Autocad with SMARTDrive 4.0 Requires NewDX Patch

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Q83742

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The information in this article applies to:


 * Microsoft Windows versions 3.1, 3.11

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SUMMARY
After you install Microsoft Windows operating system version 3.1, running Autocad 11 and Autocad 386 generates the following error message when run outside of Windows if SMARTDrive (SMARTDRV.EXE) version 4.0 is loaded

Use vdisk switch signature at address xxxxxh

where xxxxxh is the address.

To correct this problem, use the NewDX program that ships with Autocad to avoid conflicting with SMARTDrive.

MORE INFORMATION
NewDX is in compressed format. When it is run, it decompresses itself and supplies the necessary files and Help document. NewDX determines where Autocad starts using extended memory.

Example: If you have 8 MB of RAM and 2 MB of it is being used by SMARTDrive, then you should tell NewDX to start using extended memory above where SMARTDrive is active.

The products included here are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Additional query words: 3.10 vcpi

Keywords :

Issue type :

Technology : kbWin3xSearch kbWin310 kbWin311