Hitachi travelstar hds723020bla642 用户手册
7K200 SATA OEM Specification
18/
173
4.2 Data sheet
200GB 160GB 120GB 100GB
80GB
Rotational Speed (RPM)
7200
7200
7200
7200
7200
Data transfer rates (buffer to/from
media) (Mbps)
media) (Mbps)
876
695
695
876
695
Data transfer rates (Gbit/sec)
1.5/3.0
1.5/3.0
1.5/3.0
1.5/3.0
1.5/3.0
Recording density (Kbit/mm) (Max)
(KBPI) (Max)
(KBPI) (Max)
994
903
903
994
903
Track density (Ktrack/mm)(Max)
(KTPI)(Max)
(KTPI)(Max)
164
146
146
164
146
Areal density (Gbit/sq-mm.- Max)
(Gbit/sq-inch - Max)
(Gbit/sq-inch - Max)
164
132
132
164
132
Number of zones
24
24
24
24
24
Table 2. Data sheet
4.3 Cylinder allocation
Data format is allocated by each head characteristics. Typical format is described below.
80GB/p Mid BIP-Mid TPI format
Zone
Cylinder
No. of
Sectors/Trk
0 0
-
5279
1209
1 5280
-
10559
1209
2 10560
-
13759
1196
3 13760
-
18559
1170
4 18560
-
23359
1144
5 23360
-
26559
1131
6 26560
-
28959
1118
7 28960
-
34239
1092
8 34240
-
39039
1053
9 39040
-
43839
1040
10 43840
-
48639
1014
11 48640
-
53439
975
12 53440
-
55839
962
13 55840
-
61279
939
14 61280
-
65279
910
15 65280
-
69119
884
16 69120
-
72479
858
17 72480
-
78559
819
18 78560
-
80159
806
19 80160
-
85279
780
20 85280
-
88959
741
21 88960
-
92959
702
22 92960
-
96799
663
23 96800
-
102399
624
Table 3. Cylinder allocation