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        MapPhysAddress=<range>

   Default: none
   Purpose: Specifies the address range (in megabytes) in
            which the memory manager will preallocate
            physical page-table entries and linear address
            space. Use this setting if you are using a DOS
            device driver (such as an older version of
            RAMDrive that uses extended memory) that needs
            this contiguous memory.
   To change: Use Notepad to edit the SYSTEM.INI file.