Deskstar 7K80 Hard Disk Drive Specification
23
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.
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
The spare cylinder is used by Hitachi Global Storage Technologies manufacturing and includes data sent from a
defect location.
Table 4: Cylinder allocation
Data Zone
Physical Cylinders
Blk/Trk
0
1,444
1,170
1
3,095
1,147
2
3,095
1,147
3
3,389
1,134
4
3,043
1,125
5
3,845
1,080
6
3,946
1,080
7
4,501
1,026
8
4,001
1,026
9
3,232
1,012
10
3,726
990
11
3,193
972
12
4,286
945
13
3,120
918
14
3,093
900
15
3,106
877
16
4,037
855
17
4,073
810
18
3,573
810
19
3,276
742
20
2,675
742
21
2,408
720
22
1,960
702
23
1,568
675
24
1,568
675
25
2,082
630
26
2,157
630
27
1,700
607
28
1,570
594
29
1,521
567
Summary of Contents for Deskstar 7K80
Page 2: ......
Page 18: ...Deskstar 7K80 Hard Disk Drive Specification 14 ...
Page 20: ...Deskstar 7K80 Hard Disk Drive Specification 16 ...
Page 21: ...Deskstar 7K80 Hard Disk Drive specification 17 Part 1 Functional specification ...
Page 22: ...Deskstar 7K80 Hard Disk Drive Specification 18 ...
Page 24: ...Deskstar 7K80 Hard Disk Drive Specification 20 ...
Page 34: ...Deskstar 7K80 Hard Disk Drive Specification 30 ...
Page 36: ...Deskstar 7K80 Hard Disk Drive Specification 32 ...
Page 55: ...Deskstar 7K80 Hard Disk Drive Specification 51 Part 2 Interface specification ...
Page 56: ...Deskstar 7K80 Hard Disk Drive Specification 52 ...
Page 76: ...Deskstar 7K80 Hard Disk Drive Specification 72 ...
Page 84: ...Deskstar 7K80 Hard Disk Drive Specification 80 ...
Page 118: ...Deskstar 7K80 Hard Disk Drive Specification 114 ...
Page 250: ...Deskstar 7K80 Hard Disk Drive Specification 246 ...