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NuBus
Year created
1987; 37 years ago (1987)
Created by
MIT
Width in bits
32
Style
Parallel
The Macintosh II motherboard, with its six NuBus slots visible on the leftExample 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).
NuBus (/ˈn(j)uˌbʌs/) is a 32-bit parallel computer bus, originally developed at MIT and standardized in 1987 as a part of the NuMachine workstation project.[1] The first complete implementation of the NuBus was done by Western Digital for their NuMachine, and for the Lisp Machines Inc. LMI Lambda. The NuBus was later incorporated in Lisp products by Texas Instruments (Explorer), and used as the main expansion bus by Apple Computer and a variant called NeXTBus was developed by NeXT. It is no longer widely used outside the embedded market.
^"Steve Ward CSAIL". Archived from the original on 2011-09-27. Retrieved 2011-09-21.
NuBus (/ˈn(j)uˌbʌs/) is a 32-bit parallel computer bus, originally developed at MIT and standardized in 1987 as a part of the NuMachine workstation project...
systems for software configuration of devices included the MSX standard, NuBus, Amiga Autoconfig, and IBM Microchannel. Initially all expansion cards for...
of Power Macintoshes had shipped with NuBus, but by the end of 1993, it was becoming clear that Intel's PCI bus was going to be the widely adopted future...
a bus architecture called NuBus that was later adopted by Apple Computer for its Macintosh II and by NeXT, and influenced the design of the PCI bus. The...
functionality of a local bus in PCs. This would result in much higher speeds than having to go through a bus layer, such as NuBus, which typically ran at...
third-party solutions such as Sonnet Technologies Crescendo G3 NuBus (up to 500 MHz) and G4 NuBus (up to 360 MHz; discontinued) and Newer Technology's MaxPower...
due to a smaller internal fan. The relative compactness results in three NuBus slots being available, compared with six on the IIx. The new case, Apple's...
early generations of PCI-based "beige" Power Macs (and sometimes the first NuBus-equipped models), but not the older Motorola 68000-based Macs; however,...
modulation, and reverb. In 1996, following Apple's decision to drop NuBus in favor of PCI bus, Digidesign added PCI support with Pro Tools 3.21. The PCI version...
Futurebus, VMEbus, Multibus II, NuBus, Acorn Archimedes expansion bus, VXI Bus, eurocard TRAM motherboards, and Europe Card Bus, all of which typically use...
current NuBus systems in terms of speed. They envisioned various video cards using a second connector located near the top of the card, opposite the NuBus connector...
continued to be the only option for Macintosh NuBus computers until June 2000, when PPC/Linux for NuBus Power Macs was released. MacTech magazine observed...
second internal 800 kilobyte 3.5-inch floppy disk drive. Expansion: Six NuBus slots were available for expansion (at least one of which had to be used...
partial list of expansion bus interfaces, or expansion card slots, for installation of expansion cards. Bus interfaces ISA EISA NuBus PCI PCI Express ×16 slot...
used PCI bus connectors. Both Zorro II and NuBus were plug and play, requiring no hardware configuration by the user. Other computer buses were used...
earlier that year, and shares the same compact case design. With three NuBus expansion slots and a Processor Direct Slot, the IIci also improved upon...
USB), starting with the original 128K Macintosh and ending with the last NuBus-based Power Macintosh models (including the first-generation 6100, 7100...
for the IIsi to convert the Processor Direct slot to a standard internal NuBus card slot, compatible with other machines in the Macintosh II family. The...
three Macintosh models to use this case allowing dual floppy drives and 6 NuBus slots; the last model was the Macintosh IIfx. Apple's nomenclature of the...
There are no NuBus slots; an optional expansion card was offered that plugs into the Processor Direct Slot and allows a single 7-inch NuBus card to be installed...
with a significantly different motherboard that offered PCI instead of NuBus expansion. The 5200 LC uses a 75 MHz PowerPC 603 CPU. The 5300 LC replaced...
artificial intelligence software. Notable is also the early use of the NuBus as the system bus for the Explorer computer family. The Explorer was used to develop...
bus interfaces Amiga Zorro II NuBus Switched fabric List of device bandwidths CompactPCI PC card Universal Serial Bus (USB) Legacy port Backplane Kyle...
that clone makers adopt NuBus. A group of companies led by Compaq (the Gang of Nine) created a new bus instead. This new bus was named the Extended (or...
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