I think I got it:

diskdef coleco-adam
seclen 512
tracks 40
sectrk 8
blocksize 1024
maxdir 48
skew 5
boottrk 0
bootsec 26
offset 0
os 2.2
end

diskdef coleco-adam-3.5
seclen 512
tracks 160
sectrk 9
blocksize 2048
maxdir 112
skew 5
boottrk 0
bootsec 26
offset 0
os 2.2
end

#Coleco #Adam #RetroComputing #VintageComputing #CPM #ColecoAdam