![]() ![]() Unless there is a Parallels limitation, any User Mode application can run 64 bits on your MacBookPro and your MacPro. As far as Mac OS X is concerned, Parallels is a User Mode application, even if it is running another operating system, such as Windows 7. I cannot tell if you have tried 64 bit Windows 7 via Parallels on your MacPro or if you are guessing you cannot run it? The way you word your sentences and then use question marks confuses me as to what you have tried and received errors vs what you want to do, but are unsure it will work. Can you dumb down this 32 bit and 64 bit business for me so I can understand it a little better? 64 bits refers to memory addressing. The Emulator. Supermodel is available in both 32-bit and 64-bit flavors for Windows and for Mac OS X. Keep in mind that the emulator is in a very preliminary state. Because it currently lacks a user interface, familiarity with your system's terminal or command prompt is essential. With 32 bits a single process can address a maximum of 4 billion bytes (4GB) of memory. Dogz 5 toyz. A process using 64 bit addressing can, in theory address 18,446,744,073,709,551,616 bytes of information or 16 billion billion bytes. But that is only a theory as noone is currently capable of building or even paying for that much memory in one machine. But it does mean a memory hungry program can have access to more than 4 billion bytes of memory, and if your system has more than 4 billion bytes (4GB) of real memory, the memory hungry process will do better. This is what you really care about: o Does my Mac OS X program have a 64 bit version? O World my Mac OS X program and the work I'm doing benefit from more than 4GB of memory? O Does my Mac have a 64 bit CPU (Core 2 Duo, i5, i7, xeon). O Does my Mac have more than 4GB of memory. Whether Mac OS X is running 32 bits or 64 bits does not really matter, as both version will run 64 bit user mode applications. Since I do not run Windows under Parallels, I can not tell you if Parallels will run Windows 7 in 64 bit mode. I would expect it can, but I'm not able to verify that one way or the other. And how a Windows specific 3D application is going to behave, is outside the parameters of a Mac OS X discussion forum. Thanks very much. I don't know much about this topic. All I know is that I installed Win 7 64 bit because I was under the impression that a 3D modeling program I use would go 'faster' or otherwise be optimized with 64 bit. I do have a XP install via bootcamp that I can 'go back to' for computationally intensive tasks (or if a virtual emulator for some software does not work well). I am also aware that it may be silly to go to 64 bit if I am running virtual emulation software ont he mac but again I don't know much about the topic. Right now I have two issues. I guess ConText does not run on the Mac and I installed it on the Parallels side on my Laptop and now I am getting this error on the Mac side on my desktop? This means I should simply install it on the /windows/ side on my desktop? Is there a better or as good text editor for the MAC and I can ditch ConText altogether? At the moment I am not having much fun at all with Parallels and I am thinking of switching to VMWare. Sincerely, Jonathan P.S. Hatter, can I ask you to clarify this part so I understand it better? You are saying that somehow my first generation mac pro won't allow me to run 64 bit OS such as Win 7 and therefore it is unlikely that I will be able to run 64 bit software? Excel developer tab tools differences for mac. Can you educate me a little on kernel mode and EFI as well? The question is probably 'am I capable of booting into 64-bit kernel mode', yes? Pre-2008, your Mac Pro has 32-bit EFI so you can't. I wish it was a 'pure' 64-bit, with 64-bit drivers. Vista went through that transition, and that was three years plus. Some applications could still load into 32-bit. Having returned to Mac after a long leave of absence, please excuse my current state of ignorance.
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