Hitachi travelstar hds723020bla642 사용자 설명서
7K200 SATA OEM Specification
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173
Table of Contents
GENERAL...............................................................................................................................................10
1
I
NTRODUCTION
.....................................................................................................................................10
1.1
Abbreviations...........................................................................................................................10
1.2
References ................................................................................................................................13
1.3
General caution .......................................................................................................................13
1.4
Drive handling precautions ....................................................................................................13
2
O
UTLINE OF THE DRIVE
.........................................................................................................................14
PART 1 FUNCTIONAL SPECIFICATION ...........................................................................................15
3
F
IXED DISK SUBSYSTEM DESCRIPTION
..................................................................................................16
3.1
Control Electronics ..................................................................................................................16
3.2
Head disk assembly data ........................................................................................................16
4
F
IXED DISK CHARACTERISTICS
..............................................................................................................17
4.1
Formatted capacity by model number....................................................................................17
4.2
Data sheet ................................................................................................................................18
4.3
Cylinder allocation ..................................................................................................................18
4.4
Performance characteristics ...................................................................................................19
5
D
ATA INTEGRITY
...................................................................................................................................23
5.1
Data loss on power off .............................................................................................................23
5.2
Write Cache .............................................................................................................................23
5.3
Equipment status ....................................................................................................................23
5.4
WRITE safety...........................................................................................................................23
5.5
Data buffer test........................................................................................................................24
5.6
Error recovery..........................................................................................................................24
5.7
Automatic reallocation ............................................................................................................24
5.8
ECC ..........................................................................................................................................25
6
S
PECIFICATION
.....................................................................................................................................26
6.1
Environment ............................................................................................................................26
6.2
DC power requirements ..........................................................................................................28
6.3
Reliability.................................................................................................................................30
6.4
Mechanical specifications........................................................................................................33
6.5
Vibration and shock.................................................................................................................35
6.6
Acoustics...................................................................................................................................37
6.7
Identification labels.................................................................................................................38
6.8
Electromagnetic compatibility................................................................................................38
6.9
Safety........................................................................................................................................39
6.10
Packaging.................................................................................................................................39
6.11
Substance restriction requirements .......................................................................................39
7
E
LECTRICAL INTERFACE SPECIFICATIONS
............................................................................................40
7.1
Cabling .....................................................................................................................................40
7.2
Interface connector ..................................................................................................................40
7.3
Signal definitions.....................................................................................................................41
PART 2 INTERFACE SPECIFICATION...............................................................................................43
8
G
ENERAL
..............................................................................................................................................44
8.1
Introduction .............................................................................................................................44
8.2
Terminology .............................................................................................................................44
9
D
EVIATIONS FROM
S
TANDARD
..............................................................................................................45
10
P
HYSICAL
I
NTERFACE
.........................................................................................................................45
11
R
EGISTERS
..........................................................................................................................................45
11.1
Register naming convention ...................................................................................................46
11.2
Command register ...................................................................................................................47
11.3
Device Control Register...........................................................................................................47
11.4
Device Register ........................................................................................................................47