![]() ![]() The PowerPC 604e was the first Mac processor available in a symmetric multiprocessing (SMP) configuration. PowerPC 604 An IBM PowerPC 604e processor PowerPC 603 A Motorola PowerPC 603 processor Processor The PowerPC 601 was the first Mac processor to support the 32-bit PowerPC instruction set architecture. PowerPC PowerPC 601 An IBM PowerPC 601 processor The MC68LC040 version was less expensive because it omitted the floating-point unit. The Motorola 68040 has improved per-clock performance compared to the 68030, as well as larger instruction and data caches, and was the first Mac processor with an integrated floating-point unit. Motorola 68040 A Motorola 68040 processor Another improvement over the 68020 was the addition of a data cache. The Motorola 68030 was the first Mac processor with an integrated paged memory management unit, allowing for virtual memory. Motorola 68030 A Motorola 68030 processor The Macintosh LC configured the 68020 to use a 16-bit system bus with ASICs that limited RAM to 10 MB (as opposed to the 32-bit limit of 4 GB). The 68020 has many improvements over the 68000, including an instruction cache, and was the first Mac processor to support a paged memory management unit, the Motorola 68851. The Motorola 68020 was the first 32-bit Mac processor, first used on the Macintosh II. Mactracker provides detailed information on every Mac computer ever made, including items such as processor speed, memory, optical drives, graphic cards. Motorola 68020 A Motorola 68020 processor Power PC Mac actively maintained software 2014 - Last Updated January 2023. To start with, you can download free programs like MacTracker. It has 32-bit CPU registers, a 24-bit address bus, and a 16-bit data path Motorola referred to it as a "16-/32-bit microprocessor." Processor It is essential that you select a proper RAM card that suits the user and system specifications. The Motorola 68000 was the first Apple Macintosh processor. Motorola 68k Motorola 68000 A Motorola 68000 processor in a dual in-line package, as the early Macintosh models used It is grouped by processor family, processor model, and then chronologically by Mac models. This list of Mac models grouped by CPU type contains all central processing units (CPUs) used by Apple Inc.
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