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A Happy Mac is the normal bootup (startup) icon of an Apple Macintosh computer running older versions of the Mac operating system. It was designed by Susan Kare in the 1980s, drawing inspiration from the design of the Compact Macintosh series and from the Batman character Two-Face . [ 10 ]
Here is a simplified view of the Mac OS X Tiger system startup on a PowerPC Mac (on an Intel Mac, EFI replaces Open Firmware and boot.efi replaces BootX): Open Firmware activates, initializes the hardware, and then loads BootX. BootX loads the kernel, spins the pinwheel cursor, and loads any needed kernel extensions (kexts). The kernel loads ...
The Apple–Intel architecture, or Mactel, is an unofficial name used for Macintosh personal computers developed and manufactured by Apple Inc. that use Intel x86 processors, [not verified in body] rather than the PowerPC and Motorola 68000 ("68k") series processors used in their predecessors or the ARM-based Apple silicon SoCs used in their successors. [1]
Mac OS X booting up in single-user mode. In PowerPC-based Macintoshes, the boot process starts with the activation of BootROM, the basic Macintosh ROM, which performs a Power On Self Test to test hardware essential to startup. [4] On the passing of this test, the startup chime is played and control of the computer is passed to OpenFirmware.
Find My is an app and service that enables users to track the locations of iOS, iPadOS, macOS, watchOS, AirPods and AirTags via iCloud. [17] First introduced in macOS Catalina, it replaces Find My Mac and Find My Friends from previous versions. Missing devices can be made to play a sound at maximum volume, flagged as lost and locked with a ...
Mac transition to Intel processors – the process of Apple changing the CPU of Macintosh computers from PowerPC processors to Intel x86 processors, during 2006. Apple–Intel architecture – the architecture of Intel-based Apple computers, using Intel x86 processors rather than the PowerPC and 68k processors used in their predecessors.
The Mac transition to Apple silicon marked a radical change in the POST process in Macs. Unlike most Intel-based Macs that use EFI-based firmware, these Apple silicon-based Macs uses a boot ROM that loads the Low-Level Bootloader (LLB), similar to that of the firmware found in the iPhone and iPad. Like Intel-based Macs with a T2 security chip ...
The SEP is used for handling and storing encryption keys, including keys for Touch ID, FileVault, macOS Keychain, and UEFI firmware passwords. It also stores the machine's unique ID (UID) and group ID (GID). [7] [8] [5] An AES Crypto Engine implementing AES-256 and a hardware random number generator. [5]