4-bit microcomputer, 1975, metal case with hinged top and magnetic closures, face plate with 46 LEDs, 31 switches, ZIF socket and key switch; rear with cooling fan, 4 female serial connectors, two-way switch, without power cord. Containing power supply and 9 modules: 1. I/O module, 1974; 2. RAM module, 1972; 3-4. PROM Memory Modules, 1973; 5. CPU module, to which is wired a switch to choose RAM or ROM; 6&7. Unidentified board with a homemade board piggybacked on recto; 8. Memory Controller; 9. Prom Programmer Module, 1973. Accompanied by Intel paper tape reader, front panel with tape reading mechanism, power switch; rear with power cord and interface cable. Lot also includes a collection of paper tape programs, a group of 9 Intel manuals including schematics, a Remex tape reader manual and an additional Intel folder of updates. RARE INTELLEC 4 MOD 40 WITH PAPER TAPE READER. The Intellec 4 was, along with the Intellec 8, one of the first American microcomputers. It used Intel's 4004 microprocessor chip. The Mod 40 came out a couple of years later and used the much faster, although still 4-bit 4040 chip. Though the Intellecs were offered to the public, they were created as microcomputer development systems and very few were produced.
4-bit microcomputer, 1975, metal case with hinged top and magnetic closures, face plate with 46 LEDs, 31 switches, ZIF socket and key switch; rear with cooling fan, 4 female serial connectors, two-way switch, without power cord. Containing power supply and 9 modules: 1. I/O module, 1974; 2. RAM module, 1972; 3-4. PROM Memory Modules, 1973; 5. CPU module, to which is wired a switch to choose RAM or ROM; 6&7. Unidentified board with a homemade board piggybacked on recto; 8. Memory Controller; 9. Prom Programmer Module, 1973. Accompanied by Intel paper tape reader, front panel with tape reading mechanism, power switch; rear with power cord and interface cable. Lot also includes a collection of paper tape programs, a group of 9 Intel manuals including schematics, a Remex tape reader manual and an additional Intel folder of updates. RARE INTELLEC 4 MOD 40 WITH PAPER TAPE READER. The Intellec 4 was, along with the Intellec 8, one of the first American microcomputers. It used Intel's 4004 microprocessor chip. The Mod 40 came out a couple of years later and used the much faster, although still 4-bit 4040 chip. Though the Intellecs were offered to the public, they were created as microcomputer development systems and very few were produced.
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