Hitachi HDS725050KLA360 - Page 6

6.8.2 Host Pausing Read DMA................................................................36
6.8.3 Host Terminating Read DMA.........................................................37
6.8.4 Device Terminating Read DMA.....................................................38
6.8.5 Initiating Write DMA .....................................................................39
6.8.6 Device Pausing Write DMA...........................................................40
6.8.7 Device Terminating Write DMA....................................................41
6.8.8 Host Terminating Write DMA........................................................42
6.9 Addressing of registers ...........................................................................43
6.9.1 Cabling............................................................................................43
7.0 Jumper Settings (PATA model)......................................................................45
7.1 Connector location..................................................................................45
7.1.1 Jumper pin identification ................................................................45
7.1.2 Jumper pin assignment....................................................................46
7.1.3 Jumper positions .............................................................................46
7.2 Environment............................................................................................50
7.2.1 Temperature and humidity..............................................................50
7.2.2 Corrosion test..................................................................................51
7.3 DC power requirements..........................................................................51
7.3.1 Input voltage ...................................................................................51
7.3.2 Power supply current (typical)........................................................51
7.3.3 Power supply generated ripple at drive power connector...............52
7.4 Reliability................................................................................................53
7.4.1 Data integrity ..................................................................................53
7.4.2 Cable noise interference..................................................................53
7.4.3 Start/stop cycles..............................................................................53
7.4.4 Preventive maintenance ..................................................................53
7.4.5 Data reliability ................................................................................53
7.4.6 Required power-off sequence.........................................................53
7.5 Mechanical specifications.......................................................................54
7.5.1 Physical dimensions and weight.....................................................54
7.5.2 Mounting hole locations .................................................................55
7.5.3 Connector locations ........................................................................56
7.5.4 Drive mounting...............................................................................57
7.5.5 Heads unload and actuator lock......................................................57
7.6 Vibration and shock................................................................................58
7.6.1 Operating vibration.........................................................................58
7.6.2 Nonoperating vibration...................................................................59
7.6.3 Operating shock..............................................................................59
7.6.4 Nonoperating shock........................................................................59
7.6.5 Nonoperating rotational shock........................................................60
7.7 Acoustics.................................................................................................61
7.8 Identification labels.................................................................................61
7.9 Safety ......................................................................................................62
7.9.1 UL and CSA standard conformity ..................................................62
7.9.2 German safety mark........................................................................62
7.9.3 Flammability...................................................................................62