Specifically, I'd like to free up HMA like one would do by removing the "HIGH" from "DOS=HIGH,UMB" in MS-DOS 6 config.sys files, but I'd also like to manage other types of memory if possible. Can this be done? I have a program that has to be run using a DOS boot disk, and running it within Windows in compatibility mode or with other versions of DOS aren't options.
With a vanilla XP DOS startup disk the program is unable to read 100000h, so I'm guessing the problem is with HMA right now.
Free Guide: Managing storage for virtual environments
Complete a brief survey to get a complimentary 70-page whitepaper featuring the best methods and solutions for your virtual environment, as well as hypervisor-specific management advice from TechTarget experts. Don’t miss out on this exclusive content!