Table Of Contents - Hitachi HTS548040M9AT00 Specifications

Hitachi Global Storage Technologies

Table of contents

List of Figures ..............................................................................................................................vii
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............................................................................................... 4
2.0. Outline of the drive ................................................................................................................ 5
Part 1. Functional specification .................................................................................................. 7
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 ......................................................................................... 13
4.4.3 Operating modes .................................................................................................... 15
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.................................................................................................. 23
6.2.1 Power consumption efficiency .............................................................................. 24
Travelstar 5K80 Hard Disk Drive Specification
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