It was provided for use with the [[Vortex Disc Drives]] from [[Vortex]] (F1-D, F1-S, F1-X, M1-D, M1-S or M1-X).
VDOS was supplied on an [[EPROM]], and was released in 3 4 versions:
* VDOS 1.0
* VDOS 2.0
* VDOS 2.0-X
* VDOS 2.11
Image:VDOS-screenshot.JPG|Boot-up VDOS message
Image:VDOS-2.JPG|VDOS external look
Image:VDOS-internal.JPG|Internals photo(VDOS in a Modul-X)
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== Download ==
* [[Media:Vortex10.zip| V-DOS VDOS 1.0 ROM]] * [[Media:Vortex20.zip| VDOS 2.0 ROM]] * [[Media:VDOS20X.ROM| VDOS 2.0-X ROM]] * [[Media:VDOS_decoded_TFM.ROM | VDOS 2.11 ROM (decrypted, works as normal ROM but not in Vortex disc controllers. Hold space key after reset)]]
* [[Media:Vortex20.zip| V-DOS 2.0 ROM]]
* [[Media:VDOSisPD.pdf| A statement from the german company Vortex Computersysteme GmbH, VDOS is Public Domain]]