Intel MDS 121
Development system, 1970s, Intel. The Intellec Microcomputer Development System (MDS) was the tool with which engineers developed software and hardware for Intel's early microprocessors. The system is a large blue box with a card cage on the Multibus, an 8080 processor, a front panel and, in the Series II versions, a built-in terminal with keyboard and 8" floppy drives; it ran the ISIS operating system with assemblers, PL/M compilers and an in-circuit emulator that plugged into the target board. Intellec systems were sold years before the Altair and are among the first microcomputers.
| Years | 1973 to early 1980s |
|---|---|
| Processor | Intel 8080 (8085 in the Series II) |
| RAM | 32 to 64 KB |
| Storage | 8" floppy drives, hard disk on the later models |
| Operating system | ISIS-II |
| Bus | Multibus |
| Software | assemblers, PL/M, FORTRAN, in-circuit emulators for the 8080, 8085, 8048 and 8086 |
Documentation
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