MEM Reports Incorrect Value for Used Extended (XMS) Memory (106432)
The information in this article applies to:
• Microsoft MS-DOS operating system 6.0
• Microsoft MS-DOS operating system 6.2
• Microsoft MS-DOS operating system 6.21
• Microsoft MS-DOS operating system 6.22
This article was previously published under Q106432
On systems with more than 16 megabytes (MB) of memory, if you are in
Windows when you run the MEM command, it may report an incorrect
number of bytes for the used extended memory (XMS) value. This problem
may also occur when you are not in Windows if you are using a
third-party XMS memory manager.
This problem occurs when you have more than 16 MB of memory and your
ROM BIOS reports a maximum of 15 MB via interrupt 15h, function 88h.
Microsoft has confirmed this to be a problem in MS-DOS versions 6.0, 6.2,
and 6.21. We are researching this problem and will post new information
here in the Microsoft Knowledge Base as it becomes available.
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