To say that Tandy’s TRS-80 Model 100 was an influential piece of computer hardware would be something of an understatement. While there’s some debate over which computer can historically be called the ...

This is the user manual for the TRS-80 RS-232-C interface. The manual lists two programs, one of which allowed the TRS-80 microcomputer to function as a terminal (communicating with a keyboard or a ...

Radio Shack’s TRS-80 Model 100 computer—the first successful laptop, introduced in 1983–is both respected and loved. But it’s an even more important computer than it generally gets credit for. Before ...

SAN FRANCISCO -- The Apple Lisa, the IBM PCjr and the Tandy TRS-80 Model 100 laptop all were introduced during the same year, 1983 -- eons ago by computer standards. Eighteen years have come and gone; ...

The true test of a man’s patience is crimping pins onto the end of a cable that leads to building a custom serial cable—especially if it’s the first time you’ve even handled a serial cable in a decade ...

A while ago, as we at Ars were discussing our first mobile computing experiences, I recalled the first “laptop” computer I was ever issued to use as a journalist: the Radio Shack TRS-80 Model 100.

This manual describes the hardware associated with the TRS-80 RS-232-C Interface. The manual differs from 1983.0169.09, although both contain program listings relating to having the microcomputer ...