Hitachi HTS421212H9AT00 - Travelstar 120 GB Hard Drive Specifications page 6

6.3.4 Service life and usage condition ............................................................................ 29
6.3.5 Preventive maintenance ......................................................................................... 29
6.3.6 Load/unload ........................................................................................................... 29
6.4. Mechanical specifications............................................................................................... 31
6.4.1 Physical dimensions and weight ............................................................................ 31
6.4.2 Mounting hole locations ........................................................................................ 32
6.4.3 Connector and jumper description ......................................................................... 32
6.4.4 Mounting orientation ............................................................................................. 32
6.4.5 Load/unload mechanism ........................................................................................ 33
6.5. Vibration and shock........................................................................................................ 34
6.5.1 Operating vibration ................................................................................................ 34
6.5.2 Nonoperating vibration .......................................................................................... 35
6.5.3 Operating shock ..................................................................................................... 35
6.5.4 Nonoperating shock ............................................................................................... 35
6.6. Acoustics......................................................................................................................... 36
6.6.1 Sound power levels ................................................................................................ 36
6.6.2 Discrete tone penalty ............................................................................................. 37
6.7. Identification labels ........................................................................................................ 37
6.8. Electromagnetic compatibility........................................................................................ 37
6.8.1 CE mark ................................................................................................................. 37
6.8.2 C-TICK mark ......................................................................................................... 37
6.8.3 BSMI mark ............................................................................................................ 38
6.8.4 MIC mark .............................................................................................................. 38
6.9. Safety .............................................................................................................................. 38
6.9.1 UL and CSA approval ........................................................................................... 38
6.9.2 IEC compliance ..................................................................................................... 38
6.9.3 German safety mark .............................................................................................. 38
6.9.4 Flammability .......................................................................................................... 38
6.9.5 Secondary circuit protection .................................................................................. 38
6.10. Packaging...................................................................................................................... 38
7.0. Electrical interface specification......................................................................................... 39
7.1. Cabling............................................................................................................................ 39
7.2. Interface connector ......................................................................................................... 39
7.3. Signal definitions ............................................................................................................ 40
7.4. Signal descriptions.......................................................................................................... 41
7.5. Interface logic signal levels ............................................................................................ 44
7.6. Reset timings .................................................................................................................. 44
7.7. PIO timings..................................................................................................................... 45
7.8. Multi word DMA timings............................................................................................... 46
7.9. Ultra DMA timings......................................................................................................... 47
7.9.1 Initiating Read DMA ............................................................................................. 47
7.9.2 Host Pausing Read DMA ...................................................................................... 48
7.9.3 Host Terminating Read DMA ............................................................................... 49
7.9.4 Device Terminating Read DMA ........................................................................... 50
7.9.5 Initiating Write DMA ............................................................................................ 51
7.9.6 Device Pausing Write DMA .................................................................................. 52