Table Of Contents - Hitachi 7K100 - Travelstar - Hard Drive Specifications

Table of Contents

1.0 General...............................................................................................................1
1.1 Introduction.............................................................................................1
1.2 References...............................................................................................1
1.3 Abbreviations..........................................................................................1
1.4 Caution....................................................................................................3
1.5 Drive handling precautions .....................................................................3
2.0 Outline of the drive ...........................................................................................5
3.0 Fixed-disk subsystem description....................................................................9
3.1 Control electronics ..................................................................................9
3.2 Head disk assembly data.........................................................................9
4.0 Drive characteristics .........................................................................................11
4.1 Formatted capacity..................................................................................11
4.2 Data sheet................................................................................................11
4.3 Cylinder allocation..................................................................................12
4.4 Performance characteristics ....................................................................13
4.4.1 Command overhead .......................................................................13
4.4.2 Mechanical positioning..................................................................14
4.4.3 Operating modes ............................................................................16
5.0 Data integrity.....................................................................................................17
5.1 Data loss at power off .............................................................................17
5.2 Write Cache ............................................................................................17
5.3 Equipment status.....................................................................................17
5.4 WRITE safety .........................................................................................18
5.5 Data buffer test........................................................................................18
5.6 Error recovery .........................................................................................18
5.7 Automatic reallocation............................................................................18
5.7.1 Nonrecovered write errors .............................................................18
5.7.2 Nonrecoverable read error .............................................................18
5.7.3 Recovered read errors ....................................................................18
5.8 ECC.........................................................................................................19
6.0 Specification ......................................................................................................21
6.1 Environment............................................................................................21
6.1.1 Temperature and humidity.............................................................21
6.1.2 Radiation noise ..............................................................................23
6.1.3 Conductive noise............................................................................23
6.1.4 Magnetic fields ..............................................................................23
6.2 DC power requirements ..........................................................................24
6.2.1 Power consumption efficiency.......................................................24
6.3 Reliability................................................................................................25
6.3.1 Data Reliability ..............................................................................25
6.3.2 Failure prediction (S.M.A.R.T.) ....................................................25
6.3.3 Cable noise interference.................................................................25