In January of this year,MacWorld's Jason Snell delved into the T2 chip and elaborated on its role as a mass storage controller.And pointed out the T2 chip pairiMacThe internal flash storage array of Pro has full control.
It is reported that T2 will encrypt each bit of data sent to the flash memory and decrypt it when the user needs it. Because of this, I want to go directly from iMac ProRestoring data in a flash module is not possible.
Another major feature of the T2 chip is the full management of the boot boot. The verification process from start to finish includes:
Verify that the cryptographic signature of the bootloader is legal and correct before handing the rest of the process to the other hardware of the iMac Pro.
All of this is managed by the aforementioned secure boot utility, which can be called by the user during startup, via the Command-R command.
According to Snell's report, the default management level is "Full Security" -This requires a network connection to verify the legitimacy of the operating system during the installation process.—— including installing the latest in Boot CampWindows10 operating system.
The medium security level eliminates the need for network connectivity, but this feature can also be completely shut down, and users can enable/disable booting of external media in the Launch Security Utility.
On the new iMac Pro and 2018MacBookOn the Pro, the T2 chip also has a FaceTime camera attached:
In addition, the T2 chip has more privileges, such as controlling and protecting the security of the computer microphone, adjusting the fan speed, and controlling the speakers of the iMac Pro.
[Compiled from:Apple Insider]