Exclude DASDDRVR.SYS When Running MemMaker (94024)
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 Q94024
When you run MemMaker on an IBM PS/2, you should run it in the Custom
installation mode and exclude the following device driver:
DASDDRVR.SYS is an IBM system patch recommended by IBM for all PS/2s
manufactured prior to June 1991. DASDDRVR.SYS stays resident only if
it detects that your PS/2 needs the patch. If this is the case, it
should install before other drivers that may make calls to the ROM
BIOS (such as HIMEM.SYS and EMM386.EXE). DASDDRVR.SYS cannot be loaded
high (especially if you are running Windows).
To work around this problem:
• Run MemMaker in Custom mode and exclude DASDDRVR.SYS.
For more information on running MemMaker in Custom mode, see
Chapter 6, "Making More Memory Available," in the "MS-DOS 6 User's
• Edit the CONFIG.SYS file with a text editor and make the
DASDDRVR.SYS line the first line in the file.
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