Data General Eclipse MV/8000
- Data General Eclipse MV/8000
The Eclipse MV/8000 was the first in a family of 32-bit minicomputers produced by Data General during the 1980s. Codenamed "Eagle" during development, its architecture was a 32-bit extension of the previous 16-bit Eclipse series. The development of the computer and the people who worked on it were the subject of Tracy Kidder's book "The Soul of a New Machine". The MV/8000 was succeeded by the MV/8000-II, MV/2000, MV/2500, MV/4000, MV/10000, MV15000, MV/20000, MV/30000 and MV/40000. Later models such as the MV/40000 were SMP systems with hot-swappable components.
The Eclipse MV was a 32-bit CISC architecture with a 4GB address space.The 4GB address space was divided into eight rings of 512MB each with a privilege mechanism mapped onto the rings.The outermost ring, ring-7, was the least privileged. The inner-most ring, ring-0 was the most privileged.
ee also
*DG/UX
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