Fujitsu MHE2064AT manuali

Fujitsu MHE2064AT Manuale Utente (225 pagine)

Marchio: Fujitsu | Categoria: Hardware | Dimensione: 2.19 MB |

Inglese

Indice

MHE2064AT, MHE2043AT

1

MHF2043AT, MHF2021AT

1

DISK DRIVE

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

Manual Organization

12

Contents

14

Illustrations

19

CHAPTER 1 Device Overview

22

1.1 Features

23

1.1.3 Interface

24

1.2 Device Specifications

25

1.3 Power Requirements

27

1.5 Acoustic Noise

30

1.6 Shock and Vibration

30

1.7 Reliability

31

1.8 Error Rate

32

1.9 Media Defects

32

C141-E057-01EN 2-1

34

2.1 Device Configuration

34

2.2 System Configuration

34

3.1 Dimensions

41

3.1 Dimensions

42

C141-E057-01EN 3-3

42

3.2 Mounting

43

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

3.4 Jumper Settings

52

C141-E057-01EN 3-13

52

4.1 Outline

55

4.2 Subassemblies

55

4.2.3 Spindle

56

4.2.4 Actuator

56

4.2.5 Air filter

56

4.3 Circuit Configuration

57

4.3 Circuit Configuration

58

C141-E057-01EN 4-5

58

4.4 Power-on Sequence

59

4.5 Self-calibration

60

• The power is turned on

61

4.6 Read/write Circuit

62

4.6.2 Write circuit

63

4.6 Read/write Circuit

64

C141-E057-01EN 4-11

64

4.6.3 Read circuit

65

4.6.4 Digital PLL circuit

66

4.7 Servo Control

67

Servo frame

69

(60 servo frames

69

4.7.3 Servo frame format

71

4.7.4 Actuator motor control

72

4.7.5 Spindle motor control

73

CHAPTER 5 Interface

76

5.1 Physical Interface

77

5.2 Logical Interface

81

5.2.1 I/O registers

82

5.2.2 Command block registers

83

5.3 Host Commands

88

5.3.2 Command descriptions

91

→ with Retry

96

→ without Retry

96

(CM) 1 1 1 1 0 1 0 0

124

• Data format version number

135

• Attribute ID

135

• Status Flag

136

• Current attribute value

136

• Raw attribute value

136

• Current segment pointer

137

• Check sum

138

• Insurance failure threshold

138

• SECURITY SET PASSWORD

141

• SECURITY UNLOCK

141

• SECURITY DISABLE PASSWORD

141

• SECURITY ERASE UNIT

141

5.3.3 Error posting

146

5.4 Command Protocol

148

5.4.4 Other commands

153

5.5 Ultra DMA Feature Set

155

5.5.2 Phases of operation

156

5.6 Timing

170

Interface

171

5-96 C141-E057-01EN

171

5.6 Timing

172

C141-E057-01EN 5-97

172

5-98 C141-E057-01EN

173

5.6.5 Power-on and reset

186

CHAPTER 6 Operations

188

6.1.1 Response to power-on

189

C141-E057-01EN 6-3

190

6 seconds

193

6.2 Address Translation

194

6.2.2 Logical address

195

6.3 Power Save

196

6.4 Defect Management

198

6.4.1 Spare area

199

6.5 Read-Ahead Cache

201

− WRITE SECTOR(S)

202

− WRITE DMA

202

− WRITE MULTIPLE

202

− READ SECTOR (S)

202

− READ DMA

202

6.5.3 Usage of read segment

203

Empty areaMis-hit data

205

Start LBALast LBA

205

Read-ahead data

205

Start LBA

208

Last LBA

208

6.6 Write Cache

209

• WRITE SECTOR(S)

210

• WRITE MULTIPLE

210

• WRITE DMA

210

Glossary

212

Acronyms and Abbreviations

216

Comment Form

223

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