X-Nico

unusual facts about floating point unit



Macintosh IIfx

The 40 MHz speed referred to the main logic board clock (the bus), the Motorola 68030 CPU, and the computer's Motorola 68882 FPU.

Macintosh Quadra 630

The Quadra 630 featured an 68040 processor, 4 MB of RAM, a 250 MB hard disk and a CD-ROM drive; the LC 630 was essentially identical, but had the FPU-less 68LC040 processor.

Macintosh Quadra 650

There are two versions of the Centris 650: One with 4 MiB of RAM soldered to the logic board and an FPU-less Motorola 68LC040 CPU, and one with 8 MiB of logic board RAM, a full Motorola 68040, and added an onboard AAUI port for Ethernet.


see also

SGI Indigo² and Challenge M

There was a special version of the "Teal" Indigo², called Power Indigo²; this system had increased FPU (floating point unit) capabilities and used specially designed R8000 CPUs.