Datasheet

7K500 OEM SPECIFICATION
Page 3 of 176
Table of Contents
Table of ContentsTable of Contents
Table of Contents
©COPYRIGHT HITACHI G
©COPYRIGHT HITACHI G©COPYRIGHT HITACHI G
©COPYRIGHT HITACHI GLOBAL S
LOBAL SLOBAL S
LOBAL STORAGE TECHNOLOGIES
TORAGE TECHNOLOGIESTORAGE TECHNOLOGIES
TORAGE TECHNOLOGIES ................................
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GENERAL
GENERALGENERAL
GENERAL ................................
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1 I NTRODUCTION .......................................................................................................................................8
1.1 Abbreviations.............................................................................................................................8
References...........................................................................................................................................11
1.2 General caution .......................................................................................................................11
1.3 Drive handling precautions ....................................................................................................11
2 O UTLINE OF THE DRIVE .........................................................................................................................12
PART 1 FUNCTIONAL SP
PART 1 FUNCTIONAL SPPART 1 FUNCTIONAL SP
PART 1 FUNCTIONAL SPECIFICATION
ECIFICATIONECIFICATION
ECIFICATION ................................
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3 F IXED DISK SUBSYSTEM DESCRIPTION ..................................................................................................14
3.1 Control Electronics ..................................................................................................................14
3.2 Head disk assembly data ........................................................................................................14
4 F IXED DISK CHARACTERISTICS ..............................................................................................................15
4.1 Formatted capacity by model number....................................................................................15
4.2 Data sheet ................................................................................................................................16
4.3 Cylinder allocation ..................................................................................................................16
4.4 Performance characteristics ...................................................................................................18
5 D ATA INTEGRITY ...................................................................................................................................22
5.1 Data loss on power off .............................................................................................................22
5.2 Write Cache .............................................................................................................................22
5.3 Equipment status ....................................................................................................................22
5.4 WRITE safety...........................................................................................................................22
5.5 Data buffer test........................................................................................................................23
5.6 Error recovery..........................................................................................................................23
5.7 Automatic reallocation ............................................................................................................23
5.8 ECC ..........................................................................................................................................24
6 S PECIFICATION .....................................................................................................................................25
6.1 Environment ............................................................................................................................25
6.3 Reliability.................................................................................................................................29
6.4 Mechanical specifications........................................................................................................32
6.5 Vibration and shock.................................................................................................................34
6.6 Acoustics ..................................................................................................................................36
6.7 Identification labels.................................................................................................................37
6.8 Electromagnetic compatibility................................................................................................37
6.9 Safety........................................................................................................................................38
6.10 Packaging.................................................................................................................................38
6.11 Substance restriction requirements .......................................................................................38
7 E LECTRICAL INTERFACE SPECIFICATIONS ............................................................................................39
7.1 Cabling .....................................................................................................................................39
7.2 Interface connector ..................................................................................................................39
7.3 Signal definitions.....................................................................................................................40
PART 2 INTERFACE SPE
PART 2 INTERFACE SPEPART 2 INTERFACE SPE
PART 2 INTERFACE SPECIFICATION
CIFICATIONCIFICATION
CIFICATION ................................
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8 G ENERAL ..............................................................................................................................................45
8.1 Introduction .............................................................................................................................45
8.2 Terminology .............................................................................................................................45
9 D EVIATIONS FROM S TANDARD ..............................................................................................................46
10 P HYSICAL I NTERFACE .........................................................................................................................46
11 R EGISTERS ..........................................................................................................................................46
11.1 Register naming convention ...................................................................................................47
11.2 Command register ...................................................................................................................47
11.3 Device Control Register ..........................................................................................................47
11.4 Device Register ........................................................................................................................48