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Replaced content with "See [X-DDOS] which is the correct name for this DOS made by Dobbertin."
See [[XDX-DOS]DDOS] which is an expanded disc operating system developped by the german software comany [[Dobbertin|Dobbertin]]. XD-DOS was delivered on an 16 KB [[EPROM]], with a lot of software and a manual. It supported 0.7 MB disc formats on DS, DD disc drives. The XD-DOS also supported the 704 KB [[Vortex|Vortex]] format, which is standard correct name for 80 track drives in germany. Further XD-this DOS 2.0 and 2.10 support the [[made by Dobbertin Harddisc|HD-20]] hard disc drive with 20 MB disc space, that was divided into four partitions of 5 MB. It is also possible to start [[CP/M 2.2|CP/M 2.2]] or [[The Amstrad CP/M Plus|CP/M Plus]] from the hard disc.<br>The XD-DOS ROM contains a broad variety of [[RSX|RSX]] commands. The RSX commad !HELP shows them. == Download == * [[Media:Xddos111.zip| XD-DOS 1.11 ROM]] * [[Media:XDDOS210.ROM| XD-DOS 2.10 ROM]] [[Category:Expansion ROM]][[Category:Disc Operating System]]
