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5.3 Host Commands
C141-E218 5-55
• SMART self-test
The host computer can issue the SMART Execute Off-line Immediate sub-
command (FR Register = D4h) and cause the device to execute a self-test. When
the self-test is completed, the device saves the SMART self-test log to the disk
medium.
The host computer can issue the SMART Read Log Sector sub-command (FR
Register = D5h, SN Register = 06h, SC register = 01h) and can read the SMART
self-test log.
Table 5.18 SMART self-test log data format
Byte Item
00, 01 Self-test log data structure
02 Self-test log 1 Self-test number (SN Register Value)
03 Self-test execution status
04, 05 Life time. Total power-on time [hours]
06 Self-test error No.
07 to 0A Error LBA
0B to 19 Vendor unique
1A to 1F9 Self-test log 2 to 21 (Each log data format is the same as that in
byte 02 to 19.)
1FA, 1FB Vendor unique
1FC Self-test index
1FD, 1FE Reserved
1FF Check sum
• Self-test number
Indicates the type of self-test executed.
• Self-test execution status
Same as byte 16Bh of the attribute value.
• Self-test index
If this is "00h", it indicates the status where the self-test has never been executed.
• Check sum
Two's complementary for the lowest-order 1 byte that is obtained by adding 1
byte after another for as many as 511 bytes from the top.
- C141-E218-01EN 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 20
- CHAPTER 1 Device Overview 25
- 1.1 Features 26
- 1.1.3 Interface 27
- 1.2 Device Specifications 28
- 1.3 Power Requirements 30
- 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
- 3.3 Cable Connections 51
- 3.3.3 Device connection 52
- 3.4 Jumper Settings 53
- 3.4.4 CSEL setting 55
- 4.1 Outline 58
- 4.2 Subassemblies 58
- 4.3 Circuit Configuration 59
- MCU & HDC & RDC 60
- 3.3V 1.2V 60
- C141-E218 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
- 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
- • Attribute ID 123
- • Status Flag 124
- • Current attribute value 124
- • Raw 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
- Initial 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
- Sector offset (7-0) 190
- 5.3.3 Error posting 203
- Interface 204
- 5-128 C141-E218 204
- 5.4 Command Protocol 205
- 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
- DIOR-/DIOW 226
- HSTROBE 239
- (host) 239
- DA0, DA1, DA2 239
- CS0-, CS1 239
- 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
- 6.4 Read-ahead Cache 252
- 6.4.2 Caching operation 253
- 256
- 6.5 Write Cache 259
- Glossary 263
- Acronyms and Abbreviations 267
- Comment Form 275
- C141-E218-01EN 277
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