IBM 5100 Personal Portable Computer
Owner: G. Berg
Location: Newburgh, NY
A "portable" computer with a tape drive? It's the IBM 5100 Portable Computer, one of the very first personal computers. This particular example has been expanded to 32K and originally cost $14,275 in 1976. The last time I visited the Smithsonian, they had a prototype of the 5100. It had a tape drive that took normal cassette tapes, and a teeny, tiny little screen.
The owner adds:
The IBM 5100 Portable Computer was IBM's 1st attempt to build a personal computer back in 1974. Weighing in at 50 pounds and costing around $10,000, the IBM 5100 had a built-in tape drive, a small CRT and the capability of running programs in either BASIC or APL (A Programming Language, created by IBM). IBM used its own proprietary circuit modules throughout and did not rely on an Intel microprocessor, unlike the microcomputers that would come out in the following years.
Other quasi-portable computers include the Kaypro II, the Osborne 1, and the Commodore Executive 64 (SX-64).
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