Deskstar 7K80 Hard Disk Drive Specification
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6.6.2 Read DRQ interval time .................................................................39
6.7 Multi-word DMA timings........................................................................41
6.8 Ultra DMA timings ..................................................................................42
6.8.1 Initiating Read DMA ......................................................................42
6.8.2 Host Pausing Read DMA................................................................43
6.8.3 Host Terminating Read DMA.........................................................44
6.8.4 Device Terminating Read DMA.....................................................45
6.8.5 Initiating Write DMA .....................................................................46
6.8.6 Device Pausing Write DMA ...........................................................47
6.8.7 Device Terminating Write DMA ....................................................48
6.8.8 Host Terminating Write DMA........................................................49
6.9 Addressing of registers ............................................................................50
6.9.1 Cabling............................................................................................50
7.0 Specification .......................................................................................................53
7.1 Jumper settings ........................................................................................53
7.1.1 Jumper pin location.........................................................................53
7.1.2 Jumper pin identification ................................................................53
7.1.3 Jumper pin assignment....................................................................54
7.1.4 Jumper positions .............................................................................54
7.2 Environment.............................................................................................58
7.2.1 Temperature and humidity..............................................................58
7.2.2 Corrosion test ..................................................................................59
7.3 DC power requirements ...........................................................................59
7.3.1 Input voltage ...................................................................................59
7.3.2 Power supply current (typical)........................................................60
7.3.3 Power supply generated ripple at drive power connector...............60
7.4 Reliability.................................................................................................61
7.4.1 Data integrity ..................................................................................61
7.4.2 Cable noise interference..................................................................61
7.4.3 Start/stop cycles ..............................................................................61
7.4.4 Preventive maintenance ..................................................................61
7.4.5 Data reliability ................................................................................61
7.4.6 Required power-off sequence .........................................................61
7.5 Mechanical specifications........................................................................62
7.5.1 Physical dimensions and weight .....................................................62
7.5.2 Mounting hole locations .................................................................63
7.5.3 Connector locations ........................................................................63
7.5.4 Drive mounting ...............................................................................64
7.5.5 Heads unload and actuator lock ......................................................64
7.6 Vibration and shock .................................................................................65
7.6.1 Operating vibration .........................................................................65
7.6.2 Nonoperating vibration ...................................................................65
7.6.3 Operating shock ..............................................................................66
7.6.4 Nonoperating shock ........................................................................66
7.6.5 Nonoperating rotational shock........................................................67
Summary of Contents for Deskstar 7K80
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