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   TRS-80 Model 100 line

   The TRS-80 Model 100 portable computer was introduced in 1983. It was made by Kyocera, and originally sold in Japan as the Kyotronic 85.
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   History of laptops

   Owing much to the design of the previous Epson HX-20, and although at first a slow seller in Japan, it was quickly licensed by Tandy Corporation, Olivetti, and NEC, who recognised its potential and marketed it respectively as the TRS-80 Model 100 line (or Tandy 100), Olivetti M-10, and NEC PC-8201.
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   Intel 8085

   The TRS-80 Model 100 line uses a 80C85.
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   Epson HX-20

   The later, more popular TRS-80 Model 100 line, designed by Kyocera, owed much to the design of the HX-20.
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   Compact Cassette

   However, they remained in use on some portable systems such as the TRS-80 Model 100 line until the early 1990s.
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   Bill Gates

   He has not officially been on a development team since working on the TRS-80 Model 100 line, but wrote code as late as 1989 that shipped in the company's products.
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   TRS-80 Model 100

   The TRS-80 Model 100 portable computer was introduced in 1983. ... With few exceptions, no modern portable computer has the appearance, or some would argue utility, of the Model 100 line.
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   TRS-80

   Model 100 line In addition to the above, Tandy produced the TRS-80 Model 100 series of "laptop" computers.
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   TRS-80 Color Computer

   Late "white" model TRS-80 Color Computer I ... The TDP-100 had ventilation slots that ran the entire length of the case, rather than only on the sides.
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    Aster CT-80

    The "dual boot mode" BIOS actually discovered whether a TRS-DOS, or Aster CP/M disk was placed in the drive, and would, depending on the type of disk, reorganise the internal memory architecture of the system, to either be 100% TRS-80 compatible or optimally support CP/M, with as much "workspace" as possible, and the 80x25 video mode. ... After the Aster having been a few years on the Market Tandy released its own improved model, the TRS-80 Model 3 computer which solved many of the same problems that the Aster also had solved, but the model 3 still did not fully support CP/M as the Aster did.

Explore the following pages on Powerset:

• TRS-80 Model 100 line,
• History of laptops,
• Intel 8085,
• Epson HX-20,
• Compact Cassette,
• Bill Gates,
• TRS-80 Model 100,
• TRS-80,
• TRS-80 Color Computer,
• Aster CT-80