Hitachi 7K320 Specifications - Page 17

4.2 Data sheet 7K320 SATA OEM Specification 320GB 250GB 160GB 120GB 80GB Rotational Speed (RPM) Data transfer rates (buffer to/from media) (Mbps) Data transfer rates (Gbit/sec) Recording density (Kbit/mm) (Max) (KBPI) (Max) Track density (Ktrack/mm)(Max) (KTPI)(Max) Areal density (Gbit/sq-mm.- Max) (Gbit/sq-inch - Max) Number of zones Table 2. Data sheet 7200 1136 1.5/3.0 47.8 1215 8.15 207 0.39 251 24 7200 1087 1.5/3.0 43.8 1113 7.17 182 0.31 203 24 7200 1136 1.5/3.0 47.8 1215 8.15 207 0.39 251 24 7200 1032 1.5/3.0 42.3 1074 7.17 182 0.30 196 24 7200 1136 1.5/3.0 47.8 1215 8.15 207 0.39 251 24 4.3 Cylinder allocation Data format is allocated by each head characteristics. Typical format is described below. Zone 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Table 3. Cylinder allocation 160GB/p Mid BIP-Mid TPI format Cylinder 0 - 6140 6141 - 17354 17355 - 22160 22161 - 27856 27857 - 33463 33464 - 38981 38982 - 45300 45301 - 53933 53934 - 58561 58562 - 64613 64614 - 71466 71467 - 72979 72980 - 80722 80723 - 88643 88644 - 91847 91848 - 98255 98256 - 102260 102261 - 106977 106978 - 110893 110894 - 118636 118637 - 123175 123176 - 127091 127092 - 130206 130207 - 138305 No. of Sectors/Trk 1470 1470 1395 1368 1350 1320 1290 1260 1224 1200 1170 1140 1116 1080 1050 1008 990 960 930 900 855 828 810 750 Page 17 of 176