Drive Organization; Drive Format; Cylinder Allocation; Figure 3. Cylinder Allocation - IBM IC35L040AVVN07-0 - 40GB IDE Deskstar 120GXP 7200RPM UATA-100 07N9682 Specifications

4.3 Drive organization

4.3.1 Drive format

Upon shipment from IBM manufacturing the drive satisfies the sector continuity in the physical format by
means of the defect flagging strategy described in Section 5.0 on page 19 in order to provide the
maximum performance to users.

4.3.2 Cylinder allocation

Physical Cylinders
Data
High TPI model
Zone
0 0-1938
1 1939-3756
2 3757-5564
3 5565-7687
4 7688-9526
5 9527-11334
6 11335-13331
7 13332-15128
8 15129-16925
9 16926-18922
10 18923-20709
11 20710-22601
12 22602-24138
13 24139-26024
14 26025-27652
15 27653-29501
16 29502-31234
17 31235-33009
18 33010-34784
19 34785-36609
20 36610-38374
21 37375-40139
22 40140-41904
23 41905-43519
24 43520-45250
25 45251-47004
26 47005-48758
27 48759-50491
28 50492-52256
29 52257-54010
30 54011-55571

Figure 3. 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.
Low TPI model High TPI
0-1749
1750-3479
3480-5199
5200-7219
7220-8969
8970-10689
10690-12399
12400-14109
14110-15819
15820-17719
17720-19419
19420-21219
21220-22919
22920-24619
24620-26169
26170-27929
27930-29579
29580-31269
31270-32959
32960-34649
64650-36329
36330-38009
38010-39689
39690-41369
41370-42969
42970-44639
44640-46309
46310-47959
47960-49639
49640-51309
51310-52890
Deskstar 120GXP hard disk drive specifications
11
Blk/Trk
Low TPI
928 984
921 979
912 960
896 960
888 932
883 921
864 912
850 890
840 883
822 864
806 850
792 832
787 822
768 806
752 792
740 768
725 768
698 740
691 725
672 704
648 682
630 658
614 640
595 624
576 608
552 576
533 558
512 544
493 518
471 499
448 480