Hitachi HUS154530VLF400 User Manual
Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
Table of Contents
1.0 General............................................................................................................................1
1.1 Introduction................................................................................................................1
1.2 Glossary .....................................................................................................................1
1.3 Caution.......................................................................................................................1
1.2 Glossary .....................................................................................................................1
1.3 Caution.......................................................................................................................1
2.0 Outline of the Drive .......................................................................................................3
3.0 Fixed-disk Subsystem Description ...............................................................................5
3.0 Fixed-disk Subsystem Description ...............................................................................5
3.1 Control Electronics ....................................................................................................5
3.2 Head Disk Assembly .................................................................................................5
3.3 Actuator .....................................................................................................................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
4.2 Data Sheet ..................................................................................................................7
4.3 Inquiry Information....................................................................................................8
4.3.1 Product ID.........................................................................................................8
4.3.2 World Wide ID - Block Assignment ................................................................8
4.3.2 World Wide ID - Block Assignment ................................................................8
4.4 Cylinder allocation.....................................................................................................9
4.5 Performance characteristics .......................................................................................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
4.5.2 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
5.0 Data Integrity .................................................................................................................15
5.1 Equipment Status .......................................................................................................15
5.2 Error Recovery Procedure..........................................................................................15
5.2 Error Recovery Procedure..........................................................................................15
6.0 Physical Format .............................................................................................................17
6.1 Shipped Format (P-List) ............................................................................................17
6.2 Reassigned Format (G-List).......................................................................................17
6.2 Reassigned Format (G-List).......................................................................................17
7.0 Electrical Interface.........................................................................................................19
7.1 FC-AL Connector ......................................................................................................19
7.1.1 40 pin SCA-2 SFF-8045 FC-AL Connector Definition....................................19
7.1.2 Voltage and Ground Signals .............................................................................20
7.1.3 Fault LED Out ..................................................................................................20
7.1.4 Ready LED Out ................................................................................................20
7.1.5 Start Mated Controls .........................................................................................21
7.1.6 SEL_n and Enclosure Service Signals..............................................................21
7.1.7 –ENBL_BYP CH1, -ENBL_BYP_CH2..........................................................23
7.1.8 –Drive Present..................................................................................................23
7.1.9 Dev_Ctrl_Code_x .............................................................................................23
7.1.2 Voltage and Ground Signals .............................................................................20
7.1.3 Fault LED Out ..................................................................................................20
7.1.4 Ready LED Out ................................................................................................20
7.1.5 Start Mated Controls .........................................................................................21
7.1.6 SEL_n and Enclosure Service Signals..............................................................21
7.1.7 –ENBL_BYP CH1, -ENBL_BYP_CH2..........................................................23
7.1.8 –Drive Present..................................................................................................23
7.1.9 Dev_Ctrl_Code_x .............................................................................................23
8.0 Environment...................................................................................................................25
8.1 Temperature and humidity.........................................................................................25
8.2 Storage requirements .................................................................................................26
8.2 Storage requirements .................................................................................................26