Confused about Macbook Processor.

Discussion in 'MacBook' started by andalusia, Apr 15, 2009.

  1. andalusia macrumors 68030


    Apr 10, 2009
    Manchester, UK
    I'm pretty confused. Last week, I bought my NVidia Whitebook and have been very pleased with it, no technical hitches so far. However, I play Jk3, and I used to play it on my old G4 Powermac Tower. When it loads up, it gives information, and part of this information is what processor it's recognised. On the powermac it recognises a single G4 Processor, which is fine. However on this Intel Core 2 Duo, it recognises two G4 Processors, as is shown in the below image.

    Does this mean Jk3 just doesn't recognise Intel, or what?
  2. MultiFinder17 macrumors 68000


    Jan 8, 2008
    Tampa, Florida
    Probably a combination of it not recognizing intel hardware, and the Rosetta layer, making the machine seem like a PowerPC machine to PowerPC software.
  3. gnasher729 macrumors P6


    Nov 25, 2005
    The application is most likely written for the PowerPC and runs using Rosetta on your Intel-based computer. At some point the application asks the operating system "What kind of processor am I running on?". So the OS thinks: I am really running on an Intel processor. But the program asking is a PowerPC program, so if I reply "Intel processor", that program will only be confused. I better tell it that I'm a PowerPC processor.

    PowerPC programs can check what processor they are _really_ running on. To do that, they have to ask "what processor am I really running on?" MacOS X for PowerPC will reply "I don't understand the question" because that functionality was only introduced on Intel processors. MacOS X for Intel will reply "Intel". In ten years the answer may be different.

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