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Fujitsu MHD2021AT manuals

Owner’s manuals and user’s guides for Hardware Fujitsu MHD2021AT.
We providing 1 pdf manuals Fujitsu MHD2021AT for download free by document types: User Manual


Fujitsu : MHD2021AT User Manual (219 pages)


Brand: Fujitsu | Category: Hardware | Size: 2.18 MB |

 

Table of contents

MHC2032AT, MHC2040AT

1

MHD2032AT, MHD2021AT

1

DISK DRIVES

1

PRODUCT MANUAL

1

FOR SAFE OPERATION

2

Revision History

4

Overview of Manual

6

Operating Environment

7

Attention

7

Liability Exception

8

Important Alert Items

10

Contents

12

Illustrations

17

CHAPTER 1 Device Overview

20

1.1 Features

21

1.1.3 Interface

22

1.2 Device Specifications

23

1.3 Power Requirements

25

1.5 Acoustic Noise

27

1.6 Shock and Vibration

28

1.7 Reliability

28

1.8 Error Rate

29

1.9 Media Defects

29

C141-E050-02EN 2-1

30

2.1 Device Configuration

30

2.2 System Configuration

30

2.2.3 2 drives connection

34

MHD2032AT

37

3.2 Mounting

38

C141-E050-02EN 3-3

38

3.2 Mounting

39

3.3 Cable Connections

43

3.3.3 Device connection

44

3.4 Jumper Settings

45

3.4.2 Factory default setting

46

3.4.4 CSEL setting

47

3.4 Jumper Settings

48

C141-E050-02EN 3-13

48

4.1 Outline

51

4.2 Subassemblies

51

4.2.3 Spindle

52

4.2.4 Actuator

52

4.2.5 Air filter

52

4.3 Circuit Configuration

53

4.3 Circuit Configuration

54

C141-E050-02EN 4-5

54

4.4 Power-on Sequence

55

4.5 Self-calibration

56

• The power is turned on

57

4.6 Read/write Circuit

58

4.6.2 Write circuit

59

4.6 Read/write Circuit

60

C141-E050-02EN 4-11

60

4.6.3 Read circuit

61

4.6.4 Digital PLL circuit

62

4.7 Servo Control

63

Servo frame

65

(60 servo frames

65

4.7.3 Servo frame format

67

4.7.4 Actuator motor control

68

4.7.5 Spindle motor control

69

CHAPTER 5 Interface

72

5.1 Physical Interface

73

5.2 Logical Interface

77

5.2.1 I/O registers

78

5.2.2 Command block registers

79

5.3 Host Commands

84

5.3.2 Command descriptions

87

→ with Retry

92

→ without Retry

92

(CM) 1 1 1 1 0 1 0 0

117

• Data format version number

128

• Attribute ID

128

• Status Flag

129

• Current attribute value

129

• Raw attribute value

129

• Current segment pointer

130

• Check sum

131

• Insurance failure threshold

131

• SECURITY SET PASSWORD

134

• SECURITY UNLOCK

134

• SECURITY DISABLE PASSWORD

134

• SECURITY ERASE UNIT

134

5.3.3 Error posting

139

5.4 Command Protocol

141

5.4.4 Other commands

146

5.5 Ultra DMA Feature Set

148

5.5.2 Phases of operation

149

5.6 Timing

163

5.6 Timing

164

C141-E050-02EN 5-93

164

Interface

165

5-94 C141-E050-02EN

165

C141-E050-02EN 5-95

166

5.6.5 Power-on and reset

179

CHAPTER 6 Operations

180

6.1.1 Response to power-on

181

C141-E050-02EN 6-3

182

6 seconds

185

6.2 Address Translation

186

6.2.2 Logical address

187

6.3 Power Save

188

6.4 Defect Management

190

6.4.1 Spare area

191

512 MB (524,288 bytes)

193

262,144 byte (512 sector)

193

131,072 byte (256 sector)

193

131,072 byte

193

− WRITE SECTOR(S)

194

− WRITE DMA

194

− WRITE MULTIPLE

194

− READ SECTOR (S)

194

− READ DMA

194

6.5.3 Usage of read segment

195

Empty areaMis-hit data

197

Start LBALast LBA

197

Read-ahead data

197

6.6 Write Cache

201

• WRITE SECTOR(S)

202

• WRITE MULTIPLE

202

• WRITE DMA (Ultra Write DMA)

202

Glossary

204

Acronyms and Abbreviations

208

Comment Form

217

C141-E050-02EN

218
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