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Category: Tandy

Tandy TRS-80 Model 4
TRS-80 Model 4

Tandy TRS-80 Model 4

Near the end of the TRS-80 product run came the Tandy TRS-80 Model 4 from Tandy / Radio Shack. Introduced in 1983, it was an upgrade from the Model 3 in that it ran at a blazing 4 MHz using a Zilog Z80 processor and had a display of 80 …

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Tandy TRS-80 Model I
Home Computers / Slideshow / Tandy / Tandy TRS-80 Model I

Tandy TRS-80 Model I

In 1977 Steve Leininger left his Silicon Valley job to work for Texas based Tandy Corp. He built the prototype Tandy TRS-80 for less than $150,000 as a test project for his boss. John Roach, Tandy’s product manager, had gotten the company president, Charles Tandy to agree to 3500 units …

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