Microsoft KB Archive/93499

= Memory Available to MS-DOS Applications with Windows NT =

Article ID: 93499

Article Last Modified on 11/1/2006

-

APPLIES TO


 * Microsoft Windows NT Advanced Server 3.1
 * Microsoft Windows NT Workstation 3.1

-



This article was previously published under Q93499



SUMMARY
This article describes the amount and type of memory available to MS-DOS-based applications running under Windows NT.



MORE INFORMATION
There is approximately 620K of conventional memory available at all times to MS-DOS-based applications. Device drivers do not impact MS-DOS memory in the same way they did with OS/2 1.x (with the exception of small stubs that map through to the underlying Win32/NT subsystem).

The memory for MS-DOS applications comes from the Windows NT virtual page pool. There is practically no limit; however, there is the typical size-versus-speed tradeoff associated with virtual storage. This memory is user-selectable: either EMS (LIM 4.0), XMS (provided by MS-DOS 5 HIMEM.SYS), or DPMI version 0.9.

Additional query words: prodnt

Keywords: KB93499

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.