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DOS program allocates gigabytes of virtual memory

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Amos43

Technical User
May 1, 2005
69
US
Hello,

I'm running an old MS-DOS game under a windows 95 compatibility mode. When i run the game, i get a baloon on the taskbar that says that "Windows is low on virtual memory." Also, on task manager i noticed that the game allocates around 1.5 GB of virtual memory. The game itself runs very slowly because of this, although it is only an old one (Syndicate Wars, maybe someone else had issues with it too).

This doesnt make any sense becase games at the time didnt adress more then a few megabytes of ram, and i dont even know if there was such a thing as virtual memory. So it must be a problem with WinXp, even though it runs with a compatibility mode.

Help on this subject would be greatly appreciated.
 
I agree with Bill, TameDOS is likely to work much better.

Just a shot in the dark, but possibly this old game is attempting to size memory to determine how much it has available by seeing how much it can allocate. Change your shortcut so all memory types have a value, not Auto, and limit the amount of base memory to 600K or maybe even 512K. Playing around with those settings may help.

Jock
 
thanks guys,

i tried tameDos and assuming that i configured it correctly, it didnt solve the problem because it doesnt appear to manage virtual memory anyhow.

JockMullin, nice idea but unfortunately it didnt work.
 
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