Figure 8. Cylinder Allocation - 20-Gb Model (Ic25N020Atda04); Figure 9. Cylinder Allocation - 15-Gb, 7.5-Gb Models (Ic25N015Atda04, Ic25N007Atda04) - IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive Specifications

20-GB model
Zone
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Figure 8. Cylinder allocation - 20-GB model (IC25N020ATDA04)

15-GB, 7.5-GB models
Zone
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Figure 9. Cylinder allocation - 15-GB, 7.5-GB models (IC25N015ATDA04, IC25N007ATDA04)

Cylinder
0-2047
2048-3071
3072-4351
4352-6655
6656-8959
8960-11263
11264-13567
13568-15615
15616-17151
17152-18175
18176-20479
20480-22527
22528-24575
24576-26623
26624-27647
27648-28671
Cylinder
0-767
768-2815
2816-5119
5120-6399
6400-7935
7936-11263
11264-13567
13568-15615
15616-17407
17408-18687
18688-19967
19968-21247
21248-23551
23552-25599
25600-28159
28160-30847
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
Number of Sectors per Track
600
600
576
540
520
504
480
480
456
440
420
400
360
360
336
320
Number of Sectors per Track
640
624
600
600
576
540
520
504
480
480
456
440
420
400
360
336
14