A question about osx and Hackintosh

Discussion in 'hardware' started by mantra, Dec 21, 2015.

  1. mantra

    mantra Registered Member

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    Hi

    i have a question about osx yosemite or el capitan and Hackintosh , the question is purely curiosity

    well ,let's take an Imac for example , i can find its hardware online

    let's say that i built a machine with the same hardware , exactly the same hardware , motherboard , cpu, ram , video card, solid disk , psu and so on , exactly the same harware , and let's say that i flash the bios with an unufficial bios

    how can the operation system (osx) detect that is not a real mac ?

    seems a stupid question , but i was talking with a friend yesterday , and we did not find an answer

    thanks
    best regards
     
  2. Bill_Bright

    Bill_Bright Registered Member

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    I don't know for certain but I suspect it could easily be done through the BIOS - even if not official. Not all of the code is overwritten when you flash a BIOS. Some is permanently "burned" in. You probably would have to replace the actual chip with an unofficial (read: counterfeit and illegal) one.
     
  3. mirimir

    mirimir Registered Member

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    Yes, Apple tends to tag motherboards. So do some Windows OEMs.
     
  4. Bill_Bright

    Bill_Bright Registered Member

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    Actually - all do now, if they come with Windows 10 pre-installed. It is a UEFI feature and is one of the terms of the OEM licensing agreement with Microsoft.
     
  5. mantra

    mantra Registered Member

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    hi
    what do you mean tag motherboards ?
    thanks

    by the way can't understand why do they protects to hard their operation system ,they could sell and make more more money
    i know they do it to push to buy an apple but most desktop and laptop sold on the market they run microsoft os
     
  6. Bill_Bright

    Bill_Bright Registered Member

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    Pretty sure he means the way I mentioned - with proprietary and identifying code permanently burned into the chipset/BIOS.
    Huh? Make more money? That makes no sense. If not protected, dishonest people could make copies and use them on multiple computer instead buying a legal license for each computer.
     
  7. Alec

    Alec Registered Member

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    I don't know how current all of this information is, but there is an author named Amit Singh that wrote a book called Mac OS X Internals. He has several web pages of information on some of these details...

    Understanding Apple's Binary Protection in Mac OS X

    "TPM DRM" In Mac OS X: A Myth That Won't Die

    Also, according to Wikipedia's page on the Trusted Platform Module... "In 2009, Apple stopped shipping TPMs."
     
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