Fujitsu MHR2030AT manuals

Fujitsu MHR2030AT User Manual (250 pages)

Brand: Fujitsu | Category: Hardware | Size: 1.46 MB |

English

Table of contents

MHR2040AT, MHR2030AT

1

MHR2020AT, MHR2010AT

1

DISK DRIVES

1

PRODUCT MANUAL

1

FOR SAFE OPERATION

2

Revision History

3

Overview of Manual

5

Operating Environment

6

Conventions

6

Attention

7

Liability Exception

7

Important Alert Items

9

Manual Organization

11

Contents

13

Illustrations

18

CHAPTER 1 Device Overview

21

1.1 Features

22

1.1.3 Interface

23

1.2 Device Specifications

24

1.3 Power Requirements

25

1.5 Acoustic Noise

28

1.6 Shock and Vibration

28

1.7 Reliability

29

1.8 Error Rate

30

1.9 Media Defects

30

1.10Load/Unload Function

30

C141-E145-02EN 2-1

33

2.1 Device Configuration

33

2.2 System Configuration

33

3.1 Dimensions

40

3.2 Mounting

41

Installation Conditions

46

3-8 C141-E145-02EN

46

Figure 3.7 Handling cautions

46

3.3 Cable Connections

47

3.3.3 Device connection

48

3.4 Jumper Settings

49

3.4.2 Factory default setting

50

3.4.4 CSEL setting

51

3-14 C141-E145-02EN

52

4.1 Outline

54

4.2 Subassemblies

54

4.2.3 Spindle

55

4.2.4 Actuator

55

4.2.5 Air filter

55

4.3 Circuit Configuration

56

4.3 Circuit Configuration

57

C141-E145-02EN 4-5

57

Theory of Device Operation

58

4-6 C141-E145-02EN

58

4.4 Power-on Sequence

59

4.5 Self-calibration

60

4.6 Read/write Circuit

62

4.6 Read/write Circuit

63

C141-E145-02EN 4-11

63

4.6.3 Read circuit

64

4.6.4 Digital PLL circuit

65

4.7 Servo Control

66

4.7.3 Servo frame format

71

4.7.4 Actuator motor control

72

4.7.5 Spindle motor control

73

CHAPTER 5 Interface

75

5.1 Physical Interface

76

5.2 Logical Interface

80

5.2.1 I/O registers

81

5.2.2 Command block registers

82

5.2.3 Control block registers

87

5.3 Host Commands

88

5.3.2 Command descriptions

92

Password information

125

(CM) 11110100

133

5.3.3 Error posting

178

5.3 Host Commands

179

C141-E145-02EN 5-105

179

5.4 Command Protocol

180

IMPORTANT

181

5.4.4 Other commands

186

Interface

188

5-114 C141-E145-02EN

188

5.5 Ultra DMA Feature Set

189

5.5.2 Phases of operation

190

5.5.5 Ultra DMA CRC rules

199

5.6 Timing

201

5.6.2 Multiword data transfer

202

5.6.3 Ultra DMA data transfer

203

(host)

215

DA0, DA1, DA2

215

CS0-, CS1

215

5.6.4 Power-on and reset

216

CHAPTER 6 Operations

217

6.1.1 Response to power-on

218

6.2 Power Save

223

6.3 Defect Processing

225

Sector (physical)

226

Cylinder 0

226

(Not used)

226

6.4 Read-ahead Cache

228

6.5 Write Cache

235

Glossary

237

Acronyms and Abbreviations

241

Comment Form

245

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