Table Of Contents - Hitachi HUS151473VL3800 - Ultrastar 73.4 GB Hard Drive Specifications

Table of Contents

1.0 General..................................................................................................................................1
1.1 Introduction......................................................................................................................1
1.2 Glossary ...........................................................................................................................1
1.3 Caution.............................................................................................................................1
2.0 Outline of the drive ..............................................................................................................3
3.0 Fixed-disk Subsystem Description .....................................................................................5
3.1 Control Electronics ..........................................................................................................5
3.2 Head Disk Assembly .......................................................................................................5
3.3 Actuator ...........................................................................................................................5
4.0 Drive characteristics ............................................................................................................7
4.1 Formatted capacity...........................................................................................................7
4.2 Data sheet.........................................................................................................................7
4.3 Inquiry information..........................................................................................................8
4.3.1 Product ID...............................................................................................................8
4.3.2 Worldwide ID - Block assignment .........................................................................9
4.4 Cylinder allocation...........................................................................................................10
4.5 Performance characteristics .............................................................................................10
4.5.1 Mechanical positioning...........................................................................................11
4.5.2 Drive ready time .....................................................................................................13
4.5.3 Spindle stop time ....................................................................................................13
4.5.4 Data transfer speed..................................................................................................13
4.5.5 Buffering operation (read ahead/write cache).........................................................14
4.5.6 Throughput..............................................................................................................14
5.0 Data Integrity .......................................................................................................................17
5.1 Equipment Status .............................................................................................................17
5.2 Error Recovery Procedure ...............................................................................................17
6.0 Physical format ....................................................................................................................19
6.1 Shipped format (Plist) ......................................................................................................19
6.2 Reassigned format (Glist) ................................................................................................19
7.0 Electrical interface specification.........................................................................................21
7.1 Power connector ..............................................................................................................21
7.2 SCSI bus connector..........................................................................................................22
7.2.1 SCSI signal connector (68-pin model)....................................................................22
7.2.2 SCSI signal connector (80-pin SCA-2 model) .......................................................23
7.3 SCSI cable........................................................................................................................24
7.4 SCSI bus terminator.........................................................................................................24
7.5 Hot plug/unplug ...............................................................................................................24
7.6 SCSI bus electrical characteristics ...................................................................................24
7.7 Auxiliary connector on 68-pin model ..............................................................................25
7.8 Option jumper block ........................................................................................................26
7.9 Jumper signal Description on 80 pin Jumper Block ........................................................27
Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification