MacOS Monterey’s capital error was found

According to the concise statement, the bug was hidden in the firmware of the T2 chip in x86 machines, which had a direct effect on system startup and access, among other things. Apple claims the problem has only affected “a very small number” of user camps, though that presumably doesn’t comfort Mac owners who have been left without a computer after installing Monterey.

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The “T” chips developed in-house were introduced by Apple back in 2017. The chip, which functions as a quasi-coprocessor, has been paired with x86 Intel processors to control the recently retired touchpad and the fingerprint reader integrated into it. The chip, which also contained ARM cores, included a so-called Secure Enclave, which was a closed area for the system to securely store the mathematical mapping of the fingerprint using an encryption key that was only accessible to the chip.

With the self-developed “M” series processors, the standalone “T” chips have become obsolete, as Apple has integrated the circuits needed to perform the listed tasks into the system chip. This explains why newer Macs have not been affected by the problem, which in many cases has been extremely unpleasant.

The latter was compounded by the fact that until Apple admitted the fault, the official service asked for money for the repair, which amounted to $ 500. The company will then reimburse the service cost already paid.


Source: HWSW Informatikai Hírmagazin by www.hwsw.hu.

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