Deskstar 7K400 Hard Disk Drive Specification
6.8.2 Host Pausing Read DMA
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36
6.8.3 Host Terminating Read DMA
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37
6.8.4 Device Terminating Read DMA
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38
6.8.5 Initiating Write DMA
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39
6.8.6 Device Pausing Write DMA
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40
6.8.7 Device Terminating Write DMA
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41
6.8.8 Host Terminating Write DMA
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42
6.9
Addressing of registers
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43
6.9.1 Cabling
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43
7.0
Jumper Settings
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45
7.1
Connector location
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45
7.1.1 Jumper pin identification
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45
7.1.2 Jumper pin assignment
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46
7.1.3 Jumper positions
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46
7.2
Environment
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50
7.2.1 Temperature and humidity
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50
7.2.2 Corrosion test
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51
7.3
DC power requirements
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51
7.3.1 Input voltage
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51
7.3.2 Power supply current (typical)
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51
7.3.3 Power supply generated ripple at drive power connector
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52
7.4
Reliability
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53
7.4.1 Data integrity
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53
7.4.2 Cable noise interference
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53
7.4.3 Start/stop cycles
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53
7.4.4 Preventive maintenance
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53
7.4.5 Data reliability
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53
7.4.6 Required power-off sequence
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53
7.5
Mechanical specifications
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54
7.5.1 Physical dimensions and weight
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54
7.5.2 Mounting hole locations
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55
7.5.3 Connector locations
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56
7.5.4 Drive mounting
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57
7.5.5 Heads unload and actuator lock
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57
7.6
Vibration and shock
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58
7.6.1 Operating vibration
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58
7.6.2 Nonoperating vibration
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58
7.6.3 Operating shock
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59
7.6.4 Nonoperating shock
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59
7.6.5 Nonoperating rotational shock
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60
7.7
Acoustics
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61
7.8
Identification labels
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61
7.9
Safety
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62
7.9.1 UL and CSA standard conformity
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62
7.9.2 German safety mark
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62
7.9.3 Flammability
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62