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On July 12, 2018, Apple released an updated MacBook Pro that includes the T2 chip, which among other things enables the "Hey Siri" feature. [12] [13] On November 7, 2018, Apple released the updated Mac Mini and MacBook Air models with the T2 chip. [14] [15] On August 4, 2020, a refresh of the 5K iMac was announced, including the T2 chip. [16]
Both chips were first introduced in the MacBook Pro in October 2021. [21] The M1 Ultra is a processor combining two M1 Max chips in one package. [22] It was available exclusively in the highest-end variants of the Mac Studio, released on March 18, 2022.
Similar to Sonoma, the 2019 iMac is the only supported Intel Mac that lacks a T2 security chip. macOS Sequoia is the first version of macOS to drop support for a Mac with a T2 security chip. The following devices are compatible with macOS Sequoia: [3] iMac (2019 and later) iMac Pro (2017) MacBook Air (2020 and later) MacBook Pro (2018 and later)
iBoot is the stage 2 bootloader for iPhones, iPads, Apple silicon-based Macs, and the T2 chip in Intel-based Macs with such a chip. [3] [4] Compared with its predecessor, iBoot improves authentication performed in the boot chain. [2] For Intel-based Macs with a T2 chip, the boot process starts by running code on the T2 chip from the boot ROM.
macOS Sonoma supports Macs with Apple silicon and Intel's Xeon-W and 8th-generation Coffee Lake/Amber Lake chips or later, [25] and drops support for various models released in 2017, officially marking the end of support for Macs without Retina display and the 12-inch MacBook. The 2019 iMac is the only Sonoma-supported Intel Mac that lacks a T2 ...
macOS Monterey is the final version of macOS that supports the 2015–2017 MacBook Air, Retina MacBook Pro, 2014 Mac Mini, 2015 iMac and cylindrical Mac Pro, as its successor, macOS Ventura, drops support for those models. It is the last version of macOS that can run on Macs with 4GB of RAM.
The Apple T2 security chip is a SoC first released in the iMac Pro. It is a 64-bit ARMv8 chip (a variant of the A10 Fusion , or T8010). [ 242 ] It provides a secure enclave for encrypted keys, enables users to lock down the computer's boot process, handles system functions like the camera and audio control, and handles on-the-fly encryption and ...
MacBook: November 1, 2007 June 5, 2007 MacBook Pro Aluminum (Mid 2007) MacBook Pro: November 1, 2007 August 7, 2007 iMac Aluminum 20" (Mid 2007) iMac: April 28, 2008 Mac Mini Intel (Mid 2007) Mac Mini: March 3, 2009 November 1, 2007 MacBook Pro Aluminum (Late 2007) MacBook Pro: February 26, 2008 November 1, 2007 MacBook Polycarbonate (Late 2007 ...