Contains four-byte tuples.
Each tuple is in the form (c, h, r, n) where c=cylinder number,
h=head number, r=Sector ID, and n=save bytes per sector:
n
Bytes/Sector
0
128
1
256
2
512
3
1024
There is a
4-tuple for each sector in the track to be formatted. Both the head and
cylinder numbers must be consistent within the tuple and the corresponding
Parameter Packet field.