Working on Apple disk support in SAMdisk -- this is a (probably cracked) Datasoft Conan disk. And it boots when converted into .DO image:

[Linked Image from img-fotki.yandex.ru]

Code
[a140-023.scp]
35 Cyls Head 0:
cyl 32 head 0 sec 6: invalid gcr at 016 - A5 -> FF
cyl 32 head 0 sec 6: invalid gcr at 017 - 7B -> FF
cyl 32 head 0 sec 6: invalid gcr at 01E - 7F -> FF
cyl 32 head 0 sec 6: invalid gcr at 01F - D5 -> FF
cyl 32 head 0 sec 6: invalid gcr at 020 - 93 -> FF
cyl 32 head 0 sec 6: invalid gcr at 021 - A9 -> FF
250Kbps Apple, 16 sectors,  256 bytes/sector:
  0.0  5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4
  1.0  10 11 12 13 14 15 0 1 2 3 4 5 6 7 8 9
  2.0  14 15 0 1 2 3 4 5 6 7 8 9 10 11 12 13
  3.0  2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1
  4.0  7 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6
  5.0  11 12 13 14 15 0 1 2 3 4 5 6 7 8 9 10
  6.0  0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
  7.0  4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3
  8.0  9 10 11 12 13 14 15 0 1 2 3 4 5 6 7 8
  9.0  13 14 15 0 1 2 3 4 5 6 7 8 9 10 11 12
 10.0  2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1
 11.0  6 7 8 9 10 11 12 13 14 15 0 1 2 3 4 5
 12.0  11 12 13 14 15 0 1 2 3 4 5 6 7 8 9 10
 13.0  15 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
 14.0  4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3
 15.0  8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7
 16.0  13 14 15 0 1 2 3 4 5 6 7 8 9 10 11 12
 17.0  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0
 18.0  14 15 0 1 2 3 4 5 6 7 8 9 10 11 12 13
 19.0  2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1
 20.0  7 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6
 21.0  11 12 13 14 15 0 1 2 3 4 5 6 7 8 9 10
 22.0  0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
 23.0  4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3
 24.0  9 10 11 12 13 14 15 0 1 2 3 4 5 6 7 8
 25.0  13 14 15 0 1 2 3 4 5 6 7 8 9 10 11 12
 26.0  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0
 27.0  6 7 8 9 10 11 12 13 14 15 0 1 2 3 4 5
 28.0  11 12 13 14 15 0 1 2 3 4 5 6 7 8 9 10
 29.0  15 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
 30.0  3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2
 31.0  8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7
 32.0  12 13 14 15 0 1 2 3 4 5 6 7 8 9 10 11
 33.0  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0
 34.0  5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4