Be wary of choosing a New Size larger than 16000 when your system has 16MB or more memory installed. The New Size that appears when the Virtual Memory window is first opened is only a suggested size and is based on the amount of memory installed in the system. For example, if you want a 1MB swapfile, it would be entered as 1024 KB. Size: This is the size of the swap file, whether permanent or temporary, and is expressed in KB. Only a Temporary swap file can be successfully saved and used from a compressed drive. Note: Do not select Permanent if the selected Drive is compressed. A permanent swap file provides a performance advantage in Windows over a temporary swap file although it will take up more harddrive space when Windows is not running. A permanent swap file is always present on the harddrive, even after Windows is shut down. A temporary swap file is only present when Windows is running and is deleted when Windows is shut down. ![]() A virtual memory file, more commonly called a swap file, is where Windows will store information or data for programs in Windows when there is insufficient memory available. ![]() Type: Either a permanent or temporary virtual memory file may be chosen. There are three parameters in Virtual Memory:ĭrive: This is the harddrive or partition on which the virtual memory swap file is to be stored This also means that if you want to change only the New Size, for example, and wish to retain the current drive and type settings as they appear in the Current Settings window, you must change the Drive and Type in the New Settings window to match what is in the Current Settings window before you click on OK to save the changes.Īny changes made in the Virtual Memory window, and saved by clicking on OK, will take effect the next time Windows is started. This is an aspect of the Virtual Memory window that is not obvious to the first-time user and can lead to unintentional changes. ![]() When I try and run my game, I get the error message Not enough memory for 16. Ive been itching to play an old school point-and-click adventure game called Robot City (recommended.i think - link ), which led me down the rabbit hole of installing DOSBox, getting Win3.1 running, etc. If you do not intend to make any changes and want to retain the Current Settings values, click on Cancel. 16-bit programs were hugely popular back in the days of DOS, Windows 3.1. It is important to understand that anytime you click on OK, all of the values in the New Settings window will be automatically saved as your new choices. Windows 3.1 will complain (from the DOSMGR driver) that it: cannot run with the protected mode. DOSBox-Xs VCPI emulation is incompatible with Windows 3.1. The Virtual Memory window consists of two main sections: Current Settings and New Settings. Windows 3.1 will not start if DOSBox-X is configured to put all: DOS kernel structures and private data in the upper memory block: area.-EMS, VCPI, and virtual 8086 mode incompatibility. If you have changes you wish to make, continue to the next step. If you do not wish to make any changes, click on Cancel or on OK. The initial Virtual Memory window will show the current settings. In Windows 3.1 open the Control Panel icon.ģ. ![]() It's a totally hassle free way to play.Aptiva - How to change virtual memory settings for Windows 3.1ġ. I'm glad you're giving the VM a shot, I hope it works for you! You might also have fun setting up an old game box (ebay!) Hopefully someday DosBox will support Win98 or someone else will come out with an equivalent Windows Game Emulator "WinBox" or something.Įdit: Ooh, I totally missed the fact it was sold on Gog.com! Nice - they've done a good job with emulation tricks and hacking patches for the games they can get licenses to package and sell. Sadly, nothing can retroactively fix them. Starting in XP and way more in Vista->7->8, MS OS's watched for such things and disallowed them using various tricks, and MS programming tools helped avoid such things. Sounds like a "sloppy" Win95 era game that "usually" works and occasionally crashes things like buffer overflows or writing to invalid pointers/memory, or even directly accessing memory it shouldn't, like the OS. For more information, reference Microsoft TechnetĪny application that is not registered with DEP will receive an exception with status code STATUS_ACCESS_VIOLATION (0xC0000005). This problem is generated by Microsoft's Data execution prevention (DEP).
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