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Microsoft KB Archive/104782

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Knowledge Base

MS-DOS 6.2 MEM Displays Invalid Numbers with Qemm 7.01

Article ID: 104782

Article Last Modified on 11/22/1999


  • Microsoft MS-DOS 6.0 Standard Edition
  • Microsoft MS-DOS 6.2 Standard Edition
  • Microsoft MS-DOS 6.21 Standard Edition
  • Microsoft MS-DOS 6.22 Standard Edition

This article was previously published under Q104782


When you are using Quarterdeck Qemm version 7.01, the "Upper" and "Total under 1 MB" values may be displayed incorrectly. For example, your display may appear as follows:

   Memory Type        Total  =   Used  +   Free
   ----------------  -------   -------   -------
   Conventional         640K       19K      621K
   Upper             4,193,6   4,193,6       12K    <== Incorrect Display
   Reserved             384K      384K        0K
   Extended (XMS)    15,998K    3,102K   12,896K
   ----------------  -------   -------   -------
   Total memory      16,386K    2,854K   13,530K

   Total under 1 MB       2K   4,193,6      634K    <== Incorrect Display


The Upper value should read 4,193,6nn,nnn (where n is an unknown number) but MEM does not correctly handle the large values for upper memory returned by Qemm.

The addition of the comma formatting for numerical output in MS-DOS 6.2 magnifies the corrupted output problem.


Qemm is manufactured by Quarterdeck Office Systems, a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

Additional query words: 6.22 6.20

Keywords: KB104782