| 92100 || S-DOS 2 || Large-format DOS with many features; basis for ParaDOS. || XC, *
|-
| [https://www.cpcwiki.eu/imgs/7/71/Robot-PD_92101_%2819xx%29%28Robot-PD%29%28Disk_1_of_1%29.zip 92101 ] || AMSDOC || Patched AMSDOS with sub-directory support. ||
|-
| [https://www.cpcwiki.eu/imgs/2/20/Robot-PD_92102_%2819xx%29%28Robot-PD%29%28Disk_1_of_1%29.zip 92102] || MS800 || ROM version of 800k DOS. || XC, 6128 only