360kb: 40 tracks, 2 heads, 9 sectors/track
720kb: 80 tracks, 2 heads, 9 sectors/track

360 Kb images:
dcopy a: arquivo.dsk /T:40 /H:2 /S:9


720 Kb images:
dcopy a: arquivo.dsk /T:80 /H:2 /S:9
