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The Motorola 68040 ("sixty-eight-oh-forty") is a 32-bit microprocessor in the Motorola 68000 series, released in 1990. [2] It is the successor to the 68030 and is followed by the 68060, skipping the 68050. In keeping with general Motorola naming, the 68040 is often referred to as simply the '040 (pronounced oh-four-oh or oh-forty).
Motorola mainly used even numbers for major revisions to the CPU core such as 68000, 68020, 68040 and 68060. The 68010 was a revised version of the 68000 with minor modifications to the core, and likewise the 68030 was a revised 68020 with some more powerful features, none of them significant enough to classify as a major upgrade to the core.
A Motorola 68040 processor. 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. The MC68LC040 version was less expensive because it omitted the floating-point unit.
A Motorola 68EC060 microprocessor. The Motorola 68060 ("sixty-eight-oh-sixty") is a 32-bit microprocessor from Motorola released in April 1994. [4] It is the successor to the Motorola 68040 and is the highest performing member of the 68000 series.
The stock A4000 shipped with either a Motorola 68EC030 or 68040 CPU, 2 MB of Amiga Chip RAM and up to 16 MB of additional RAM in 32-bit SIMMs. [2] There is a non-functional jumper that was intended to expand the "chip RAM" to 8MB. [3] Later, third-party developers created various CPU expansion boards featuring higher-rated 68040, 68060 and ...
The first computers bearing the Macintosh Quadra name were the Quadra 700 and Quadra 900, both introduced in 1991 with a central processing unit (CPU) speed of 25 MHz.The 700 was a compact model using the same case dimensions as the Macintosh IIci, with a Processor Direct Slot (PDS) expansion slot, while the latter was a newly designed tower case with five NuBus expansion slots and one PDS slot.
The NeXTcube is the successor to the original NeXT Computer, with a 68040 processor, a hard disk in place of the magneto-optical drive, and a floppy disk drive. NeXT offered a 68040 system board upgrade (and NeXTSTEP 2.0) for US$1,495 (equivalent to $3,490 in 2023). A 33 MHz NeXTcube Turbo was later produced.
68040: 25 MHz MVME 165 68040 25 MHz MVME 167 68040 25 or 33.33 MHz MVME 172 68060: 60 or 64 MHz MVME 177 68060 50 or 60 MHz MVME 181 88000: MVME 187 88000 MVME 188 88000 supports one to four 88100 processors and two to eight 88200/88204 cache/MMU ASICs on a mezzanine board called a HYPERmodule MVME 188A 88000 25 MHz