Hitachi T7K250 - Deskstar - Hard Drive Specifications page 6

6.6 Out of band signaling (SATA model)......................................................30
6.7 Reset timings............................................................................................31
6.8 PIO timings ..............................................................................................32
6.8.1 Write DRQ interval time.................................................................32
6.8.2 Read DRQ interval time .................................................................33
6.9 Multi word DMA timings ........................................................................34
6.10 Ultra DMA timings ................................................................................35
6.10.1 Initiating Read DMA ....................................................................35
6.10.2 Host Pausing Read DMA..............................................................36
6.10.3 Host Terminating Read DMA.......................................................37
6.10.4 Device Terminating Read DMA...................................................38
6.10.5 Initiating Write DMA ...................................................................39
6.10.6 Device Pausing Write DMA .........................................................40
6.10.7 Device Terminating Write DMA ..................................................41
6.10.8 Host Terminating Write DMA......................................................42
6.11 Addressing of registers ..........................................................................43
6.11.1 Cabling..........................................................................................43
7.0 Specification .......................................................................................................47
7.1 Jumper settings ........................................................................................47
7.1.1 Jumper pin location.........................................................................47
7.1.2 Jumper pin identification ................................................................47
7.1.3 Jumper pin assignment....................................................................48
7.1.4 Jumper positions .............................................................................49
7.2 Environment.............................................................................................53
7.2.1 Temperature and humidity..............................................................53
7.2.2 Corrosion test ..................................................................................54
7.3 DC power requirements ...........................................................................54
7.3.1 Input voltage ...................................................................................54
7.3.2 Power supply current (typical)........................................................55
7.3.3 Power supply generated ripple at drive power connector...............56
7.4 Reliability.................................................................................................57
7.4.1 Data integrity ..................................................................................57
7.4.2 Cable noise interference..................................................................57
7.4.3 Start/stop cycles ..............................................................................57
7.4.4 Preventive maintenance ..................................................................57
7.4.5 Data reliability ................................................................................57
7.4.6 Required power-off sequence .........................................................57
7.5 Mechanical specifications........................................................................58
7.5.1 Physical dimensions and weight .....................................................58
7.5.2 Mounting hole locations .................................................................59
7.5.3 Connector locations ........................................................................60
7.5.4 Drive mounting ...............................................................................60
7.5.5 Heads unload and actuator lock ......................................................61
7.6 Vibration and shock .................................................................................62
7.6.1 Operating vibration .........................................................................62