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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 ]
The PowerPC 970 ("G5") was the first 64-bit Mac processor. The PowerPC 970MP was the first dual-core Mac processor and the first to be found in a quad-core configuration. It was also the first Mac processor with partitioning and virtualization capabilities. Apple only used three variants of the G5, and soon moved entirely onto Intel architecture.
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 interrupt button/programmer's key protruding from the air vent on the left-hand side of an Apple Macintosh Classic II computer (on the left, above the circular symbol) The programmer's key , or interrupt button , is a button or switch on Classic Mac OS -era Macintosh systems, which jumps to a machine code monitor .
This memory location typically contains a jump instruction that transfers execution to the location of the firmware (UEFI or BIOS) start-up program. This program runs a power-on self-test (POST) to check and initialize required devices such as main memory ( DRAM ), the PCI bus and the PCI devices (including running embedded Option ROMs ).
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]
This is a list of all major types of Mac computers produced by Apple Inc. in order of introduction date. Macintosh Performa models were often physically identical to other models, in which case they are omitted in favor of the identical twin.
It was the last Mac with an Intel processor introduced by Apple, as well as the only Intel Mac introduced after the announcement of the Mac transition to Apple silicon. [ 69 ] The 2019 21.5-inch models remained available but received a minor configuration change with SSDs standard, with higher-capacity Fusion Drives as a free build-to-order ...