The information in this article applies to:
- Microsoft Windows NT operating system, version 3.1
- Microsoft Windows NT Advanced Server, version 3.1
- Microsoft Windows NT Server version 4.0
- Microsoft Windows NT Workstation version 4.0
If you are not satisfied with the performance of your MS-DOS-based
applications on Windows NT, try the following:
Windows NT 4.0 keeps the same setting in the property (right click) of
the MS-DOS-based applications.
- If the application is in a window and the video display performance
is slow, try full-screen mode. Windows NT 4.0 “screen folder” provides
this setting.
- Disable the Compatible Timer Hardware feature in the _DEFAULT.PIF or
the application's program information file (PIF) under the
NT-specific section of PIF Editor. Since this feature causes a
decrease in performance, it should be used only if it is required to
make an application to run with Windows NT. Windows NT “program folder”
under “Windows NT” section provides this setting.
- If the application is in a window and seems to pause periodically,
try disabling Idle Detection in the Advance section of that
application's PIF. Windows NT “misc folder” provides this setting
in a form of a slider bar called “idle sensitivity”.
- If the MS-DOS-based application can be configured for printing,
choose LPT1, LPT2 over parallel port. Most of the applications use
Int17 to print when configured for LPT<x>. If you select parallel port
mode, these applications print directly to printer ports. Parallel
mode is significantly slower in Windows NT compared to Windows 3.1.
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