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I am taking a class called hardware and operating systems, I have to do a research paper on high memory and i am stuck on where to find information. I am really new to this and would appreciate any ideas. thanks

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higher memory

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In the old DOS-based systems, high memory was set by configuring HIMEM.SYS

Do a search for “himem guide” in http://www.yahoo.com and you’ll get +4000 hits (A place to start researching this). “highmem guide” will get you 234 hits.

higher memory

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higher memory

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In old DOS based programs High Memory was the first 64k of extended memory

You can get info on this subject by checking the web for sites using search Memory Management
1)www.webopedia.com/TERM/high_memory_area.html
2)www.winguides.com/registry/display.php/705

higher memory

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Old DOS restriction

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In the early DOS operating systems the first 64KB was used to run all the active programs and applications and all the RAM above that was used as cache or accessed by the applications for data processes. The a utility called HIMEM.SYS was provided which allowed you to place part of the operating system in the RAM above the 64KB barrier, this area was known as HIGH MEMORY and you placed a command line ‘DOS=HIGH’ or ‘DOS=UMB’ in the config.sys to allow the system to use it for the operating system. This freed up more space in the base 64KB for applications to use, thus reducing the use of the swap file (virtual memory for those with modern skills). Another utility called MEMMAKER also helped in setting up and transferring o/s commands and operations to the high memory.

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