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DG was never a mainframe company. west was trying to transform a small 16-bit mini into a 32-bit mini. De Castro, the CEO of DG at the time said he wanted that,
by zabzonk 4y ago
DG was never a mainframe company. west was trying to transform a small 16-bit mini into a 32-bit mini. De Castro, the CEO of DG at the time said he wanted that, but "no mode-bit", which shows him as being not being disconnected from his engineers. All in the book.
- larsbrinkhoff 4y agoI'm curious about what various people think defines a mainframe. IBM people clearly have something in mind, and DEC people something else. Maybe DG had yet another definition.
- dsr_ 4y agoI'll take a stab at a current definition. A mainframe is a high-RAS (reliability, availability, serviceability), high-performance, high-cost, modular multiprocessor machine with specialized coprocessors; running a hypervisor-style operating system that is largely concerned with allocating resources and managing security partitions. Interconnections among modules happen at system bus latencies and bandwidths.
- felixgallo 4y agozabzonk is technically correct, which is the best kind of correct. I was using 'mainframe' colloquially and lazily. DG's mini line was used for the same kinds of things as mainframes, but they were formally minis at the time.