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Tandy Radio Shack TRS-80 Model 4p Dos Boot Disk

In this rainy day i have decided to commit myself to create a boot floppy disk for my Tandy Radio Shack TRS-80 Model 4P.

The right steps to create the boot disk:

Download LS-DOS or TRSDos (DMK version) floppy image from here , now you need to use the DMK2IMD program, a tool inside the package ImageDisk to convert the DMK floppy image to IMD (ImageDisk), then … burn it with ImageDisk.


  1. Luca “OgniX”
    September 18th, 2012 at 22:21 | #1


  2. Bart Fernhout
    November 11th, 2018 at 16:50 | #2

    I an not be able to make the disk myself. Is there a way you can send me copy’s of the disk you have i have just got a trs-80 model 4 but no boot disk or something like it.

    I would be very thankfull if you can help me. You can make a price for me so i can sent you the money.


  3. Fred Rorex
    December 7th, 2018 at 15:11 | #3

    Go here. Left column toward the bottom. You can purchase disk from him.