Western Digital Ultrastar DC HC310 Specifications page 4

6.5.3 Heads Unload and Actuator Lock ...................................................................................27
6.6 Vibration and Shock .............................................................................................................28
6.6.1 Operating Vibration ......................................................................................................28
6.6.2 Nonoperating Vibration .................................................................................................29
6.6.3 Operating Shock ............................................................................................................29
6.6.4 Nonoperating Shock ......................................................................................................29
6.6.5 Nonoperating Rotational Shock .....................................................................................30
6.7 Acoustics .............................................................................................................................31
6.8 Identification Labels ............................................................................................................31
6.9 Safety ..................................................................................................................................32
6.9.1 UL and CSA Standard Conformity .................................................................................32
6.9.2 European Safety Mark ..................................................................................................32
6.9.3 Flammability ................................................................................................................32
6.9.4 Safe Handling ...............................................................................................................32
6.9.5 Substance Restriction Requirem ents ..............................................................................32
6.9.6 Secondary Circuit Protection .........................................................................................32
6.10 Electromagnetic Compatibility ..........................................................................................33
6.10.1 CE Mark .......................................................................................................................33
6.10.2 RCM Mark ....................................................................................................................33
6.10.3 BSMI Mark ...................................................................................................................33
6.10.4 KC Mark .......................................................................................................................34
6.11 Third Party Notices ..........................................................................................................34
Part 2. Interface Specification ...............................................................................................................35
7 General ..........................................................................................................................................36
7.1 Introduction.........................................................................................................................36
7.2 Terminology .........................................................................................................................36
7.3 Deviations From Standard ...................................................................................................36
8 Registers ........................................................................................................................................37
8.1 Alternate Status Register .....................................................................................................37
8.2 Command Register ..............................................................................................................37
8.3 Cylinder High Register ........................................................................................................37
8.4 Cylinder Low Register..........................................................................................................38
8.5 Device Control Register ........................................................................................................38
8.6 Device/Head Register ...........................................................................................................38
8.7 Error Register ......................................................................................................................39
8.8 Features Register ................................................................................................................39
8.9 Sector Count Register ..........................................................................................................39
8.10 Sector Number Register ....................................................................................................39
8.11 Status Register .................................................................................................................40
9 General Operation Descriptions..........................................................................................................41
9.1 Reset Response ....................................................................................................................41
9.1.1 Register Initialization....................................................................................................42
9.2 Diagnostic and Reset Considerations ....................................................................................42
9.3 Sector Addressing Mode .......................................................................................................43
9.3.1 Logical CHS Addressing Mode .......................................................................................43
9.3.2 LBA Addressing Mode ...................................................................................................43
9.4 Power Management Feature ................................................................................................44
9.4.1 Power Mode ..................................................................................................................44
9.4.2 Power Management Commands .....................................................................................45
9.4.3 Standby Timer ..............................................................................................................45
9.4.4 Interface Capability for Power Modes ............................................................................45
9.5 SMART Function .................................................................................................................46
9.5.1 Attributes .....................................................................................................................46
9.5.2 Attribute Values ............................................................................................................46