FUJITSU MBA3073NP - Manual (Page 36)

Note: Spare sectors on the last track in each cell are not necessarily placed at the end of the track because
of a track skew or a cylinder skew. (Details are explained in Subsection 3.1.3.)
Figure 3.1 Cylinder configuration
Apart from the above logical configuration, the HDD intends to increase the storage capacity by
dividing all cylinders into several zones and changing a recording density of each zone.
32 C141-E270