IBM DTLA-307075 Hard Drive Specifications - Page 4

7.4 Environment 46 7.4.1 Temperature and humidity 46 7.5 DC power requirements 48 7.5.1 Input voltage 48 7.5.2 Power supply current (typical 48 7.5.3 Power supply generated ripple at drive power connector 50 7.5.4 Start Up Current 50 7.5.5 Energy consumption efficiency 52 7.6 Reliability 53 7.6.1 Cable noise interference 53 7.6.2 Start/stop cycles 53 7.6.3 Preventive maintenance 53 7.6.4 Data reliability 53 7.7 Mechanical specifications 54 7.7.1 Outline 54 7.7.2 Physical dimensions 55 7.7.3 Hole locations 56 7.7.4 Connector locations 57 7.7.5 Drive mounting 57 7.7.6 Heads unload and actuator lock 57 7.8 Vibration and shock 58 7.8.1 Operating vibration 58 7.8.2 Nonoperating vibration 58 7.8.3 Operating shock 59 7.8.4 Nonoperating shock 59 7.8.5 Rotational shock 60 7.9 Acoustics 61 7.10 Identification labels 62 7.11Safety 62 7.11.1 UL and CSA standard conformity 62 7.11.2 IEC compliance 62 7.11.3 German Safety Mark 62 7.11.4 Flammability 62 7.11.5 Secondary Circuit Protection 62 7.12 Electromagnetic compatibility 63 7.13 CE Mark 63 7.14 C-Tick Mark 63 Part 2. Interface specification 65 8.0 General 67 8.1 Terminology 67 8.2 Deviations from standard 67 9.0 Registers 69 9.1 Alternate Status Register 70 9.2 Command Register 70 9.3 Cylinder High Register 70 9.4 Cylinder Low Register 70 9.5 Data Register 71 9.6 Device Control Register 71 9.7 Drive Address Register 71 9.8 Device/Head Register 72 9.9 Error Register 72 9.10 Features Register 73 Deskstar 40GV & 75GXP hard disk drive specifications iv