Motorola 68040

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Motorola 68040

(MC68040) A microprocessor from Motorola. It was the successor to the Motorola 68030 and was followed by the Motorola 68060.

The 68040 was the first 680x0 family member with an on-chip FPU. It also had split instruction and data caches of 4 kilobytes(?) each. It was fully pipelined, with six stages.

The 68040 was used in the Apple Macintosh Quadra series of personal computers.

The MC68LC040 is an MC68040 without a built-in FPU, and the MC68EC040 is an MC68040 without an MMU or FPU.
References in periodicals archive ?
But complex-instruction-set computers, or CISC designs - notably Intel's 80486 and Pentium and the Motorola 68040 - are also represented.
The Centris is affordable yet powerful, with a Motorola 68040 processor.
The decompression and imaging of a 24-bit 640 x 480 image takes less than ten seconds on a NeXT computer with a Motorola 68040 main processor; further optimization and the usual advances in processors will continue to shrink the required time.
The new NeXT systems' Motorola 68040 processor supplies a performance boost by a factor of three over earlier 68030 machines; DMA architecture is also a major factor.
Hewlett-Packard offers a line of graphics workstations based on the Motorola 68040 and 50-MHz 68030 microprocessors.
Acceptable performance on computers with Motorola 68040 and PowerPC processors with a speed of 33 MHz or greater.
But the 32-bit-wide offerings of several CISC designs, which maintain backward compatibility with earlier chips, are also represented with Intel's 80486 and the Motorola 68040.
The Company continues to experience a significant decline in demand for Enterprise Systems and upgrades based on the Motorola 68040 product line.
The company also experienced weak sales of Enterprise Systems and upgrades based on the Motorola 68040 product line during the quarter.
In following the Department of Defense's acquisition reform measures, Loral will use a single processor board and the Motorola 68040 processor to keep procurement costs down.
Featuring a Motorola 68040 50/25 MHz processor, the same 68040 CPU found in Apple's powerful Quadras, the Presto 040 accelerator delivers 2 1/2 times the performance of the original Macintosh LC.
The processing capabilities are increased through the use of a Motorola 68040 processor, distributed processing capabilities addressing each port, and increased memory for additional real-time processing functionality.