Hitachi 7K320 Specifications - Page 3

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Table of Contents 7K320 SATA OEM Specification GENERAL...9 1 INTRODUCTION ...9 1.1 Abbreviations...9 References ...12 1.2 General caution ...12 1.3 Drive handling precautions ...12 2 OUTLINE OF THE DRIVE...13 PART 1 FUNCTIONAL SPECIFICATION 14 3 FIXED DISK SUBSYSTEM DESCRIPTION 15 3.1 Control Electronics ...15 3.2 Head disk assembly data ...15 4 FIXED DISK CHARACTERISTICS...16 4.1 Formatted capacity by model number 16 4.2 Data sheet ...17 4.3 Cylinder allocation ...17 4.4 Performance characteristics 18 5 DATA 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 SPECIFICATION ...25 6.1 Environment ...25 6.2 DC power requirements ...27 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 ELECTRICAL INTERFACE SPECIFICATIONS 39 7.1 Cabling ...39 7.2 Interface connector ...39 7.3 Signal definitions...40 PART 2 INTERFACE SPECIFICATION 42 8 GENERAL ...43 8.1 Introduction ...43 8.2 Terminology ...43 9 DEVIATIONS FROM STANDARD ...44 10 PHYSICAL INTERFACE ...44 11 REGISTERS ...44 11.1 Register naming convention 45 11.2 Command register ...45 11.3 Device Control Register...45 11.4 Device Register ...46 11.5 Error Register ...46 Page 3 of 176

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7K320 SATA OEM Specification
Page 3 of 176
Table of Contents
GENERAL
.................................................................................................................................................
9
1
I
NTRODUCTION
.......................................................................................................................................
9
1.1
Abbreviations
.............................................................................................................................
9
References
...........................................................................................................................................
12
1.2
General caution
.......................................................................................................................
12
1.3
Drive handling precautions
....................................................................................................
12
2
O
UTLINE OF THE DRIVE
.........................................................................................................................
13
PART 1 FUNCTIONAL SPECIFICATION
...........................................................................................
14
3
F
IXED DISK SUBSYSTEM DESCRIPTION
..................................................................................................
15
3.1
Control Electronics
..................................................................................................................
15
3.2
Head disk assembly data
........................................................................................................
15
4
F
IXED DISK CHARACTERISTICS
..............................................................................................................
16
4.1
Formatted capacity by model number
....................................................................................
16
4.2
Data sheet
................................................................................................................................
17
4.3
Cylinder allocation
..................................................................................................................
17
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
6.2
DC power requirements
..........................................................................................................
27
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 SPECIFICATION
...............................................................................................
42
8
G
ENERAL
..............................................................................................................................................
43
8.1
Introduction
.............................................................................................................................
43
8.2
Terminology
.............................................................................................................................
43
9
D
EVIATIONS FROM
S
TANDARD
..............................................................................................................
44
10
P
HYSICAL
I
NTERFACE
.........................................................................................................................
44
11
R
EGISTERS
..........................................................................................................................................
44
11.1
Register naming convention
...................................................................................................
45
11.2
Command register
...................................................................................................................
45
11.3
Device Control Register
...........................................................................................................
45
11.4
Device Register
........................................................................................................................
46
11.5
Error Register
..........................................................................................................................
46