TRS-80 Microcomputer System Model III (26-1062)
The Model III is basically an upgrade of the TRS-80 Model I. It was released in July 1980, three years after the Model I. It has the same Z-80 CPU, but it is faster (2.03 MHz), has more memory, and the floppy drives hold twice as much data, although the Model I could be upgraded to some of these features. The Model III was advertised as being backwards compatible with the majority of software created for the Model I. The Model III had two cassette data rate options - low speed, 500 baud, which accepted tapes recorded on a Model I, and a new higher speed, 1500 baud.
The were five versions of the Model III available:
This example in our collection is the 26-1062 version.
Manufacturer: Radio Shack
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This exhibit has a reference ID of CH41385. Please quote this reference ID in any communication with the Centre for Computing History.