The information in this article applies to:
SUMMARY
Many MS-DOS-based applications use the Virtual Control Program Interface
(VCPI) specification to directly access protected-mode extended memory on
an 80386 or 80486 computer. These programs do not work with Microsoft
Windows version 3.0 in 386 enhanced mode. They work in Windows in real mode
and may work in standard mode. Windows uses a newer standard called DOS
Protected Mode Interface (DPMI).
MORE INFORMATIONThe following switch can be entered into the SYSTEM.INI file in the [386Enh] section to turn off the warning message that appears when an MS-DOS-based application attempts to use VCPI:
NOTE: Changing this switch does not allow the application to run. It
merely suppresses the warning message if you attempt to run one of these
applications.
The following is a partial list of applications that use the VCPI specification to access extended memory:
Lotus has announced that version 3.1 will follow the DPMI specifications
and will run under all three modes of Windows 3.0.
PC-MOS is a multitasking operating environment similar to Windows/386. You cannot run Windows under PC-MOS because Microsoft Windows/286, Windows/386, and Windows 3.0 and 3.1 are all protected-mode software competing for the same resources. The following is a list of 386 memory managers that use the VCPI specification and are incompatible with Windows 3.0 running in enhanced mode:
Most of the companies listed above are also planning versions of their
applications that will use the DPMI specification.
Additional query words: 3.00 3.0 3.0a 3.00a VCPI DPMI 3.10 3.1 winmem win31 3.11
Keywords : |
Last Reviewed: October 1, 1999 © 2000 Microsoft Corporation. All rights reserved. Terms of Use. |