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Interface
Table 5.3 Command code and parameters (2 of 2)
COMMAND CODE (Bit) PARAMETER USED
COMMAND NAME
7 6 5 4 3 2 1 0 FR SC SN CY DH
FLUSH CACHE 1 1 1 0 0 1 1 1 N N N N D
WRITE BUFFER 1 1 1 0 1 0 0 0 N N N N D
IDENTIFY DEVICE 1 1 1 0 1 1 0 0 N N N N D
IDENTIFY DEVICE DMA 1 1 1 0 1 1 0 0 N N N N D
SET FEATURES 1 1 1 0 1 1 1 1 Y N* N N D
SECURITY SET PASSWORD 1 1 1 1 0 0 0 1 N N N N D
SECURITY UNLOCK 1 1 1 1 0 0 1 0 N N N N D
SECURITY ERASE PREPARE 1 1 1 1 0 0 1 1 N N N N D
SECURITY ERASE UNIT 1 1 1 1 0 1 0 0 N N N N D
SECURITY FREEZE LOCK 1 1 1 1 0 1 0 1 N N N N D
SECURITY DISABLE
PASSWORD
1 1 1 1 0 1 1 0 N N N N D
READ NATIVE MAX
ADDRESS
1 1 1 1 1 0 0 0 N N N N D
SET MAX 1 1 1 1 1 0 0 1 Y Y Y Y Y
READ SECTOR(S) EXT *O 0 0 1 0 0 1 0 0 N Y Y Y D
READ DMA EXT *O 0 0 1 0 0 1 0 1 N Y Y Y D
READ NATIVE MAX
ADDRESS EXT *O
1 1 1 1 1 0 0 0 N N N N D
READ MULTIPLE EXT *O 0 0 1 0 1 0 0 1 N Y Y Y D
READ LOG EXT *O 0 0 1 0 1 1 1 1 N Y Y Y D
WRITE SECTOR(S) EXT *O 0 0 1 1 0 1 0 0 N Y Y Y D
WRITE DMA EXT *O 0 0 1 1 0 1 0 1 N Y Y Y D
SET MAX ADDRESS EXT *O 0 0 1 1 0 1 1 1 N Y Y Y Y
WRITE MULTIPLE EXT *O 0 0 1 1 1 0 0 1 N Y Y Y D
WRITE DMA FUA EXT *O 0 0 1 1 1 1 0 1 N Y Y Y D
WRITE LOG EXT *O 0 0 1 1 1 1 1 1 N Y Y Y D
READ VERIFY SECTOR(S)
EXT *O
0 1 0 0 0 0 1 0 N Y Y Y D
WRITE MULTIPLE FUA EXT
*O
1 1 0 0 1 1 1 0 N Y Y Y D
FLUSH CACHE EXT *O 1 1 1 0 1 0 1 0 N N N N D
5-16 C141-E258
- MHW2060AC, MHW2040AC 1
- DISK DRIVES 1
- PRODUCT MANUAL 1
- FOR SAFE OPERATION 2
- Revision History 3
- Preface 5
- Operating Environment 6
- Conventions 6
- Attention 7
- Liability Exception 7
- Important Alert Items 9
- Manual Organization 11
- Contents 13
- Illustrations 19
- CHAPTER 1 Device Overview 23
- 1.1 Features 24
- 1.1.3 Interface 25
- 1.2 Device Specifications 26
- 1.3 Power Requirements 29
- 1.5 Acoustic Noise 33
- 1.6 Shock and Vibration 33
- 1.7 Reliability 34
- 1.8 Error Rate 35
- 1.9 Media Defects 35
- 1.10 Load/Unload Function 35
- 2.1 Device Configuration 40
- 2.2 System Configuration 41
- 2.2.3 2 drives connection 42
- 3.1 Dimensions 44
- 3.2 Mounting 45
- Connector 50
- 3.3.3 Device connection 51
- 3.4 Jumper Settings 52
- 3.4.4 CSEL setting 54
- 4.1 Outline 58
- 4.2 Subassemblies 58
- 4.3 Circuit Configuration 59
- C141-E258 4-5 61
- 4.4 Power-on Sequence 62
- 4.5 Self-calibration 63
- 4.6 Read/write Circuit 65
- 4.6.3 Read circuit 66
- 4.6.4 Digital PLL circuit 67
- 4.7 Servo Control 68
- Theory of Device Operation 72
- 4-16 C141-E258 72
- 4.7.3 Servo frame format 73
- 4.7.5 Spindle motor control 75
- CHAPTER 5 Interface 77
- 5.1 Physical Interface 78
- 5.2 Logical Interface 82
- 5.2.1 I/O registers 83
- 5.3 Host Commands 90
- 5.3.2 Command descriptions 94
- • Default function 110
- • Unload Feature: 110
- • Attribute ID 123
- • Raw attribute value 124
- • Status Flag 124
- • Current attribute value 124
- • Error logging capability 127
- • Check sum 127
- • SMART error logging 128
- • Command data structure 130
- • Error data structure 130
- • Status 130
- • SMART self-test 131
- • Self-test number 131
- • Self-test index 131
- • Test span 132
- • Current LBA under test 132
- • Current span under test 132
- • Feature Flags 133
- (CM) 1 1 1 0 0 1 0 0 149
- • SET MAX ADDRESS 180
- Password information 182
- • SET MAX SET PASSWORD 184
- • SET MAX LOCK 184
- • SET MAX UNLOCK 184
- • Description 186
- 5.3.3 Error posting 203
- Interface 204
- 5-128 C141-E258 204
- 5.4 Command Protocol 205
- (*) Transfers dummy data 207
- 5.4.4 Other commands 211
- 5.5 Ultra DMA Feature Set 213
- 5.5.2 Phases of operation 214
- 5.5.5 Ultra DMA CRC rules 223
- 5.6 Timing 225
- 5.6.4 Power-on and reset 240
- CHAPTER 6 Operations 241
- 6.1.1 Response to power-on 242
- 6.2 Power Save 247
- 6.3 Defect Processing 249
- Sector (physical) 250
- Cylinder 0 250
- (Not used) 250
- 779 780 251
- 6.4 Read-ahead Cache 252
- For MPU work For R/W command 252
- 8,388,608 bytes 252
- 6.4.2 Caching operation 253
- 256
- 6.5 Write Cache 258
- Glossary 261
- Acronyms and Abbreviations 265
- Comment Form 273
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