Hitachi travelstar hds723020bla642 用户手册

下载
页码 173
7K200 SATA OEM Specification 
 
3/
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