Hitachi HDS723020BLA642 - Page 4

Hitachi hard disk drive specifications
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6.6 Vibration and shock ........................................................................................................................ 39
6.6.1 Operating vibration ................................................................................................................. 39
6.6.2 Non operating vibration .......................................................................................................... 39
6.6.3 Operating shock ....................................................................................................................... 40
6.6.4 Non operating shock ................................................................................................................ 40
6.6.5 Nonoperating Rotational shock .............................................................................................. 41
6.7 Acoustics .......................................................................................................................................... 42
6.8 Identification labels ........................................................................................................................ 43
6.9 Safety ............................................................................................................................................... 44
6.9.1 UL and CSA standard conformity .......................................................................................... 44
6.9.2 German Safety Mark .............................................................................................................. 44
6.9.3 Flammability ........................................................................................................................... 44
6.9.4 Safe handling ........................................................................................................................... 44
6.9.5 Substance restriction requirements ....................................................................................... 44
6.9.6 Secondary circuit protection ................................................................................................... 44
6.10 Electromagnetic compatibility ....................................................................................................... 45
6.10.1 CE Mark ................................................................................................................................... 45
6.10.2 C-Tick Mark ............................................................................................................................. 45
6.10.3 BSMI Mark .............................................................................................................................. 45
6.10.4 KC Mark................................................................................................................................... 45
Part 2. Interface Specification ......................................................................................................................... 46
7 General ................................................................................................................................................................47
7.1 Introduction .................................................................................................................................... 47
7.2 Terminology ..................................................................................................................................... 47
7.3 Deviations From Standard ................................................................................................................... 48
8 Registers .............................................................................................................................................................49
8.1 Alternate Status Register ..................................................................................................................... 49
8.2 Command register............................................................................................................................... 49
8.3 Cylinder High Register........................................................................................................................ 49
8.4 Cylinder Low Register ........................................................................................................................ 50
8.5 Device Control Register ...................................................................................................................... 50
8.6 Drive Address Register........................................................................................................................ 51
8.7 Device/Head Register ......................................................................................................................... 52
8.8 Error Register ..................................................................................................................................... 53
8.9 Features Register ................................................................................................................................ 54
8.10 Sector Count Register ......................................................................................................................... 54
8.11 Sector Number Register ...................................................................................................................... 54
8.12 Status Register .................................................................................................................................... 55
9 General Operation Descriptions ..........................................................................................................................56
9.1 Reset Response ................................................................................................................................... 56
9.1.1 Register Initialization ............................................................................................................. 57
9.2 Diagnostic and Reset considerations ..................................................................................................... 57
9.3 Sector Addressing Mode...................................................................................................................... 58
9.3.1 Logical CHS Addressing Mode ............................................................................................... 58
9.3.2 LBA Addressing Mode ............................................................................................................. 58
9.4 Power Management Feature ................................................................................................................ 59
9.4.1 Power Mode .............................................................................................................................. 59
9.4.2 Power Management Commands............................................................................................. 59
9.4.3 Standby timer .......................................................................................................................... 59
9.4.4 Interface Capability for Power Modes ................................................................................... 60
9.5 SMART Function ............................................................................................................................... 61
9.5.1 Attributes ................................................................................................................................. 61
9.5.2 Attribute values ....................................................................................................................... 61
9.5.3 Attribute thresholds ................................................................................................................ 61