IMSAI 8080.

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Lot 629W
IMSAI 8080.

US$ 2,000 - 3,000£ 1,600 - 2,400
IMSAI 8080.
8-bit microcomputer, c.1975, metal case with removable top, 174 x 439 x 498 mm, faceplate with 22 alternating red and blue switches, numerous LEDs, reverse with serial ports labled: "JI TTY," "J2 VIDEO," "J3 PARALLEL," "VBD KBD," "MODEM" and one unlabeled; and coaxial port labeled "VBD VIDEO," toggle switch labled "FAN," interior with IMC Boxer fan, Tranex 4 3751 power supply; 13 modules: 1. TDL (Technical Design Labs) The ZPU, Rev.1 Feb 77 with Zilog Z80 microprocessor. 2. RDC Enterprises Compu/Time. 3. IMS RAM 4, Rev-2, 1975. Labeled "0000-0FFF" 4. TDL The Z16, Rev 2, 1976. Labeled "1000-4FFF." 5. *Another - Labeled "5000-8FFF." 6. TDL The Z16, Rev A, 1976. Labeled "9000-CFFF." 7. *Another - Labeled "D000-DFFF" 8. PTCO 2KRO. Labeled "E800-EFFF" 9. Processor Technology 3P+S, I/O Rev a. 10. Micromation Doubler. 11-12. Technical Design Labs 46-77 Rev 1. 1977 13. Godbout BM 106. 1977; Serial number 003158.

Former IBM employee William Millard formed IMS in 1972 as a computer consulting and engineering concern. He and his chief engineer Joe Killian were impressed with the then new Intel 8080 chip and began development of the IMSAI 8080 using MITS Altair 8800's S-100 bus. By late 1975 they were shipping what was to be the first Altair clone. IMS were able to correct many shortcomings of the original Altair 8800 by providing a larger power supply, a 22 slot motherboard, and easier wiring of the front panel. Willard famously went on to found ComputerLand and become known as the "father" of modern computer retailing. Many are familiar with the IMSAI 8080 from the 1983 film WarGames where the main character uses one to hack a military supercomputer and almost causes a nuclear war.
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