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Altair 680

CBM PET 2001/8k

TRS-80 Model I

TRS-80 Model II

TRS-80 Model III

TRS-80 Model 4

TRS-80 Model 4p

TRS-80 Model 2000HD

Apple ][+

Apple //e

Apple Macintosh 512k

CBM 8096

Timex/Sinclair 1000

Osborne 1

Radio Shack (logo)

TRS-80 Model 2000HD

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 1983
Intel 80186
256k exp. to 640k
Optional 600 x 400 Monochrome or 16 colours
720k per DSDD 5 1/4" disk (360k disk)
MS-DOS 2.0 - 2.11
Optional 10MB

    Tandy's first attempt at an Intel/MS-DOS computer was not IBM compatible. (although close.) It made several significant improvements over the IBM PC such as the faster 80186 CPU, 600 x 400 x 16c graphics and 720k per floppy. These features made the 2000 an ideal machine for CAD, or number crunching. Unfortunately, the market by this time demanded IBM compatibility. IBMs AT (80286) in 1984 put the final nail in the 2000s coffin.