sector order: 1 9 2 10 3 11 4 12 5 13 6 14 7 15 8 16
sector order: 1 9 2 10 3 11 4 12 5 13 6 14 7 15 8 16
single sided
cylinder 0 head 0: single density, 128 byte sectors numbered from 1 to 16
cylinder 1 head 0: single density, 128 byte sectors numbered from 1 to 16
