Cylinder Allocation - Hitachi HTS542525K9SA00 Specifications

4.4.2 Cylinder allocation

Physical cylinder is calculated from the starting data track of 0. It is not relevant to logical CHS. Depending on the
capacity some of the inner zone cylinders are not allocated.
Zone Start Logical cyl.
0
1 4608
2 13696
3 21376
4 29056
5 35072
6 41856
7 45824
8 48896
9 56192
10 63232
11 67968
12 74112
13 80384
14 85248
15 88448
16 94208
17 99712
18 104064
19 108416
20 113152
21 117760
22 118784
23 121600
24 124032
25 126336
26 129024
27 131712
28 131968
29 133120
Data cylinder
This cylinder contains the user data which can be sent and retrieved via read/write commands and a spare area for
reassigned data.
Spare cylinder
Stop Logical cyl. #cyl
0 4607 4608
13695 9088
21375 7680
29055 7680
35071 6016
41855 6784
45823 3968
48895 3072
56191 7296
63231 7040
67967 4736
74111 6144
80383 6272
85247 4864
88447 3200
94207 5760
99711 5504
104063 4352
108415 4352
113151 4736
117759 4608
118783 1024
121599 2816
124031 2432
126335 2304
129023 2688
131711 2688
131967 256
133119 1152
134271 1152
Deskstar 7K160 Hard Disk Drive Specification
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