Fujitsu MHA2032AT manuali

Fujitsu MHA2032AT Manuale Utente (177 pagine)

Marchio: Fujitsu | Categoria: Hardware | Dimensione: 1.55 MB |

Inglese

Indice

MHA2021AT, MHA2032AT

1

DISK DRIVES

1

PRODUCT MANUAL

1

FOR SAFE OPERATION

2

Revision History

3

Overview of Manual

4

Operating Environment

5

Attention

5

Liability Exception

6

Important Alert Items

7

Contents

8

Illustrations

12

CHAPTER 1 Device Overview

15

1.1 Features

16

1.2 Device Specifications

18

1.3 Power Requirements

19

1.5 Acoustic Noise

21

1.6 Shock and Vibration

22

1.7 Reliability

22

1.8 Error Rate

23

1.9 Media Defects

23

C141-E042-01EN 2-1

24

2.1 Device Configuration

24

2.2 System Configuration

24

2.2.3 2 drives connection

28

3.1 Dimensions

30

3.2 Mounting

31

3.3 Cable Connections

35

3.3.3 Device connection

36

3.4 Jumper Settings

37

3.4.2 Factory default setting

38

3.4.4 CSEL setting

39

Installation Conditions

40

3-12 C141-E042-01EN

40

4.1 Outline

42

4.2 Subassemblies

42

4.3 Circuit Configuration

44

4.3 Circuit Configuration

45

C141-E042-01EN 4-5

45

4.4 Power-on Sequence

46

4.5 Self-calibration

47

4.6 Read/write Circuit

49

4.6.2 Write circuit

50

4.6 Read/write Circuit

51

C141-E042-01EN 4-11

51

4.6.3 Read circuit

52

4.7 Servo Control

54

Theory of Device Operation

56

4-16 C141-E042-01EN

56

4.7.3 Servo frame format

58

4.7.4 Actuator motor control

59

4.7.5 Spindle motor control

60

CHAPTER 5 Interface

62

5.1 Physical Interface

63

5.2 Logical Interface

67

5.2.2 Command block registers

69

5.3 Host Commands

74

5.3.2 Command descriptions

77

(CM) 11110100

107

5.3.3 Error posting

128

5.4 Command Protocol

130

5.4.4 Other commands

135

C141-E042-01EN 5-75

136

5.4 Command Protocol

136

5.5 Timing

137

5.5 Timing

138

C141-E042-01EN 5-77

138

Interface

139

5-78 C141-E042-01EN

139

5.5.4 Power-on and reset

140

5-80 C141-E042-01EN

141

CHAPTER 6 Operations

142

6.1.1 Response to power-on

143

C141-E042-01EN 6-3

144

6.2 Address Translation

148

6.2.2 Logical address

149

6.3 Power Save

150

6.4 Defect Management

152

6.4.1 Spare area

153

6.5 Read-Ahead Cache

155

6.5.3 Usage of read segment

157

Start LBALast LBA

159

Read-ahead data

159

6.6 Write Cache

163

6.6 Write Cache

164

C141-E042-01EN 6-23

164

WRITE SECTOR(S) WITH RETRY

164

WRITE MULTIPLE

164

WRITE DMA WITH RETRY

164

Glossary

165

Acronyms and Abbreviations

168

Comment Form

175

C141-E042-01EN

176

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