NuBus
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NuBus is a 32-bit parallel computer bus, originally developed at MIT during between 1978 and 1979 as part of the NuMachine workstation project, and standardized by the IEEE in 1987. The first complete
The Macintosh II motherboard, with its six NuBus slots visible on the left
Example of a NuBus graphics card, a Radius PrecisionColor Pro 8/24xj. This is a "half-length" card, with a maximum length of 7 inches (18 cm). The maximum length for full-size NuBus cards is 12 inches (30 cm).
Close-up of the NuBus 90 connectors in a Macintosh Quadra 950
DIN 41612
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DIN 41612 was a DIN standard for electrical connectors that are widely used in rack based electrical systems. Standardisation of the connectors is a pre-requisite for open systems, where users expect
NuBus
…the 1980s NuBus was considered needlessly complex and expensive. The NuBus became an IEEE standard in 1987 as IEEE 1196. This version used a standard DIN 41612 96-pin three-row connector, running the system on a 10 MHz clock for a maximum burst throughput of 40 MB/s and average speeds of 10 to 20 MB/s. A later…
VMEbus crate. 3×32 DIN 41612 female connectors can be seen on the green motherboard in back.