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Eclipse
Data General Eclipse S/130 front panel
Manufacturer
Data General
Product family
Nova
Operating system
AOS
Data General microEclipse microprocessor
The Data General Eclipse line of computers by Data General were 16-bit minicomputers released in early 1974 and sold until 1988. The Eclipse was based on many of the same concepts as the Data General Nova, but included support for virtual memory and multitasking more suitable to the small office than the lab. It was also packaged differently for this reason, in a floor-standing case the size of a small refrigerator. The Eclipse series was supplanted by the 32-bit Data General Eclipse MV/8000 in 1980.
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market. As the mini world moved from 16-bit to 32, DG introduced the DataGeneralEclipse MV/8000, whose development was extensively documented in the popular...
saw limited use in the market. The Nova line was succeeded by the DataGeneralEclipse, which was similar in most ways but added virtual memory support...
64 KB memory space. Later versions of RDOS are compatible with DataGeneral's 16-bit Eclipse minicomputer line. A cut-down version of RDOS, without real-time...
PDP-11, VAX, and Intel x86 architectures. Some designs such as the DataGeneralEclipse had no dedicated register, but used a reserved hardware memory address...
for their Nova minicomputer in the 1970s, and later ported to the DataGeneralEclipse MV and AViiON computers. Most business applications for the Nova...
under tremendous pressure. The machine was launched in 1980 as the DataGeneralEclipse MV/8000. The book, whose author was described by the New York Times...
DEC VAX or DataGeneralEclipse MV/8000) were usually 32-bit at a time when most minicomputers (such as the PDP-11 or DataGeneralEclipse or IBM Series/1)...
A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of Earth, totally or partially...
Basic was a competitor to DataGeneral Business Basic written by Murray Haszard in 1986. It ran on the DataGeneralEclipse MV line of computers initially...
have a number of problems, notably that copying memory on their DataGeneralEclipse was very expensive. In 1979 one of the Aleph engineers, Richard Rashid...
DataGeneral AOS (an abbreviation for Advanced Operating System) was the name of a family of operating systems for DataGeneral 16-bit Eclipse C, M, and...
message out of the conversation. RIG was implemented on a number of DataGeneralEclipse minicomputers. The ports were implemented using memory buffers, limited...
Equipment Corporation VAX-11/780, 1978 Prime Computer 750, 1979 DataGeneralEclipse MV/8000, 1980 IBM 4361, 1983 IBM 9370, 1987 The VAX-11/780 was the...
are microprogrammed. Most DataGeneralEclipse minicomputers are microprogrammed. The task of writing microcode for the Eclipse MV/8000 is detailed in the...
right out of college. He started working for DataGeneral in 1974. He became the head of DataGeneral'sEclipse group and then became the lead on the Eagle...
are instead assigned ring numbers in hardware. One example is the DataGeneralEclipse MV/8000, in which the top three bits of the program counter (PC)...
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