description Apple Macintosh Quadra 605 Overview
The Macintosh Quadra 605 is a compact desktop computer introduced by Apple in 1993. It uses a Motorola 68LC040 processor and shares much of its design with the Macintosh LC 475, including a low-profile case aimed at homes, schools, and offices. The machine belongs to Apple's 68k Macintosh family and can run compatible versions of the classic Mac OS.
help Apple Macintosh Quadra 605 FAQ
What processor is inside the Macintosh Quadra 605?
It uses a 25 MHz Motorola 68LC040 processor, the low-cost 68040 variant without a built-in floating-point unit. That makes it a 68k Macintosh from 1993 rather than a PowerPC Mac.
Which classic Mac operating systems can the Quadra 605 run?
The Quadra 605 commonly runs System 7.1.2 through Mac OS 8.1. It cannot run Mac OS X natively because Apple's later operating system required PowerPC or Intel hardware.
How is the Quadra 605 related to the Macintosh LC 475?
The two machines share a closely related LC-style low-profile design and both use a 25 MHz 68LC040 processor. The Quadra 605 is essentially the Quadra-branded version of Apple's compact 1993 68k platform.
Does the Quadra 605 have an FPU for scientific or 3D software?
No. Its 68LC040 processor omits the floating-point unit found in a full Motorola 68040, so some software must use slower floating-point emulation or a processor upgrade.
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