!!! Atari DOS 2 or DOS II Version 2.x

There were many variations with DOS 2. Here are just the most used ones.

!!Reference
* [Wikipedia: Atari DOS|http://en.wikipedia.org/wiki/Atari_DOS]

!!Manuals
* [The Atari 810 Disk Drive-An Introduction To The Disk Operating System.pdf] Version 2.0S (english)
* [Atari DOS 2.5-XF551.pdf] Version 2.5 (english)
* [Das Atari 810 Plattenlaufwerk.pdf] Version 2.0S (german)
* [Atari Diskettenlaufwerk-DOS 2.5-XF551.pdf] Version 2.5 (german)
* [XF551 Formate.pdf] Version 2.5 (german) from Erwin Reuss

!!ATR-Images
* [Atari DOS II Vers. 2.0S.atr] original single density Atari DOS II
* [Atari DOS II Vers. 2.0D.atr] original double density Atari DOS II for the Atari 815 dual disk drive
* [Atari DOS II Vers. 2.5.atr] original Atari DOS version 2.5
* [Atari DOS II Vers. 2.5 deutsch.atr] original Atari DOS version 2.5 (german)
* [90KB.atr] blank formatted disk with single density and single sided: 90 KB
* [130KB.atr] blank formatted disk with enhanced density and single sided: 130 KB
* [180KB.atr] blank formatted disk with double density and single sided: 180 KB
* [360KB.atr] blank formatted disk with double density and double sided: 360 KB (Atari XF 551 only)
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