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MHC2032/2040AT, MHD2032/2021AT DISK DRIVES PRODUCT MANUAL
C141-E050-02EN
MHC2032/2040AT, MHD2032/2021AT DISK DRIVES PRODUCT MANUAL
C141-E050-02EN
- 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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