Ira Goldklang's TRS-80 Revived Pages
Ira's TRS-80 Model III Page
This page deals with the TRS-80 Model III TRS-80 III


The TRS-80 Model III featured:
  • Z-80A Processor (2 MHz) Kits were sold to double this to 4Mhz
  • 16K - 48K of RAM Maximum
  • 12 inch Black and White Integrated Monitor (63x16 text and 128x48 for graphics)
  • Cassette Tape Recorder (500 Baud (Low) or 1500 Baud (High))
  • Optional Internal (2) and External (2) 5.25" Floppy Drives holding 178K each
  • Optional Hi-Res Graphics Board
  • Built In 25 pin RS-232 (Serial) Port for Modem Connection
  • Built In Printer (Parallel) Port
  • Built in Drive Expansion Card-Edge (for external drives)
  • Substantial Compatibility with the Model I (main incompatibility: Port vs. Memory addressing)
  • Model III BASIC ROM (14K) co copyrighted by Tandy and Microsoft.


    • TRS-80 Model III Software Library (1,416 Files)


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    DMK Format files