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The NuBus is a 32-bit data width system bus developed by the Massachusetts Institute of Technology( MIT) in conjunction with Western Digital in 1979.

NuBus header

NuBus header

The NuBus was standardized by the IEEE, extended by Texas Instruments with multimaster capability and used as NuBus 90 since 1987 as peripheral bus in Apple Macintosh computers. The NuBus works with the system clock of the Motorola CPU 680xx with clock rates of 40 MHz.

It is noticeable that plug-in cards for the NuBus are provided with a connector strip, which is very similar to the PCI bus, on the motherboard, however, there is the contact strip. The NuBus was formerly used in NeXT and Apple computers.

Englisch: NuBus
Updated at: 07.07.2011
#Words: 109
Links: data, system bus, management information tree (MIT), conjunction, institute of electrical and electronics engineers (IEEE)
Translations: DE

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