Datasheet

7K500 OEM SPECIFICATION
Page 16 of 176
4.2
4.24.2
4.2 Data sheet
Data sheetData sheet
Data sheet
500GB 400GB 320GB 250GB 160GB 120GB
Rotational Speed (RPM) 7200 7200 7200 7200 7200 7200
Data transfer rates
(buffer to/from media)
(Mbps)
1245 1045 1150 1245 985 1190
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 1.5/3.0
Recording density
(Kbit/mm) (Max)
(KBPI) (Max)
59.1
1500
50.4
1280
54.7
1390
59.1
1500
48.2
1225
56.9
1445
Track density
(Ktrack/mm)(Max)
(KTPI)(Max)
9.6
245
9.3
235
9.3
235
9.6
245
7.7
195
9.6
245
Areal density
(Gbit/sq-mm.- Max)
(Gbit/sq-inch - Max)
14.6
370
11.8
300
13.0
330
14.6
370
9.4
240
13.9
355
Number of zones 24 24 24 24 24 24
Table 2. Data sheet
4.3
4.34.3
4.3 Cylinder allocation
Cylinder allocation Cylinder allocation
Cylinder allocation
Data format is allocated by each head characteristics. Typical format is described below.
250GB/p Mid BIP-Mid TPI format
Zone
Cylinder
No. of
Sectors/Trk
0 0 - 10245 1980
1 10246 - 16919 1920
2 16920 - 23781 1890
3 23782 - 31301 1836
4 31302 - 39667 1800
5 39668 - 43427 1764
6 43428 - 53955 1710
7 53956 - 58467 1680
8 58468 - 62133 1656
9 62134 - 71063 1620
10 71064 - 78395 1560
11 78396 - 87419 1440
12 87420 - 99075 1440
13 99076 - 101613 1404
14 101614 - 106313 1380
15 106314 - 115431 1320
16 115432 - 118627 1296
17 118628 - 126899 1260
18 126900 - 133667 1200
19 133668 - 139307 1170
20 139308 - 146451 1110
21 146452 - 152561 1080
22 152562 - 158295 1020
23 158296 - 165627 930
Table 3. Cylinder allocation