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Interface
5-38 C141-E104-02EN
Table 5.4 Information to be read by IDENTIFY DEVICE command (7 of 8)
Bits 2-0: Same definition as WORD 83.
*14 WORD 88
Bit 15-8: Currently used Ultra DMA transfer mode
Bit 7-0: Supportable Ultra DMA transfer mode
Bit 4 = '1': Mode 4
Bit 3 = '1': Mode 3
Bit 2 = '1': Mode 2
Bit 1 = '1': Mode 1
Bit 0 = '1': Mode 0
*15 WORD 93
Bits 15-14: Reserved
Bit 13: '1' = CBLID- is a level higher than V
IH
.
'0' = CBLID- is a level lower than V
IL
.
Bits 12-8: In the case of Device 1 (slave drive), a valid value is set.
Bit 12: Reserved
Bit 11: '1' = Device asserts PDIAG-.
Bit 10, 9: Method for deciding the device No. of Device 1.
'00' = Reserved
'01' = Using a jumper.
'10' = Using the CSEL signal.
'11' = Other method.
Bit 8: Reserved
Bits 7-0: In the case of Device 0 (master drive), a valid value is set.
Bit 7: Reserved
Bit 6: '1' = Device 1 is selected, Device 0 responds.
Bit 5: '1' = Device 0, assertion of DASP- was detected.
Bit 4: '1' = Device 0, assertion of PDIAG- was detected.
Bit 3: '1' = Device 0, an error was not detected in the self-
diagnosis.
Bit 2, 1: Method for deciding the device No. of Device 0.
- MHL2300AT, MHM2200AT 1
- MHM2150AT, MHM2100AT 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
- 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 26
- 1.5 Acoustic Noise 29
- 1.6 Shock and Vibration 29
- 1.7 Reliability 30
- 1.8 Error Rate 31
- 1.9 Media Defects 31
- C141-E104-02EN 2-1 32
- 2.1 Device Configuration 32
- 2.2 System Configuration 32
- 3.1 Dimensions 39
- 3.1 Dimensions 40
- C141-E104-02EN 3-3 40
- 3.2 Mounting 41
- 3.2 Mounting 46
- C141-E104-02EN 3-9 46
- Figure 3.7 Handling cautions 46
- 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-E104-02EN 3-15 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
- Theory of Device Operation 59
- 4-6 C141-E104-02EN 59
- 4.4 Power-on Sequence 60
- 4.5 Self-calibration 61
- • The power is turned on 62
- 4.6 Read/write Circuit 63
- 4.6.2 Write circuit 64
- 4-12 C141-E104-02EN 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
- 4.7.4 Actuator motor control 74
- 4.7.5 Spindle motor control 75
- CHAPTER 5 Interface 78
- 5.1 Physical Interface 79
- − assertion of RESET- signal 81
- 5.2 Logical Interface 83
- 5.2.1 I/O registers 84
- 5.2.2 Command block registers 85
- 5.3 Host Commands 90
- 5.3.2 Command descriptions 93
- Password information 124
- (CM) 11110100 132
- • Data format version number 146
- • Attribute ID 146
- • Current attribute value 147
- • Raw attribute value 147
- • Self test execution status 147
- • Error logging capability 148
- • Check sum 149
- • Error data 150
- • Status 150
- • Self test log 1 to 21 151
- • Self test index 151
- • SECURITY SET PASSWORD 155
- • SECURITY UNLOCK 155
- • SECURITY DISABLE PASSWORD 155
- • SECURITY ERASE UNIT 155
- 5.3.3 Error posting 160
- Interface 161
- 5-84 C141-E104-02EN 161
- 5.4 Command Protocol 162
- IMPORTANT 163
- 5.4.4 Other commands 167
- 5.5 Ultra DMA Feature Set 169
- 5.5.2 Phases of operation 170
- 5.6 Timing 184
- 5-108 C141-E104-02EN 185
- 5.6 Timing 186
- C141-E104-02EN 5-109 186
- C141-E104-02EN 5-111 188
- 5-112 C141-E104-02EN 189
- 5.6.4 Power-on and reset 199
- CHAPTER 6 Operations 200
- 6.1.1 Response to power-on 201
- C141-E104-02EN 6-3 202
- 6.2 Address Translation 206
- 6.2.2 Logical address 207
- 6.3 Power Save 208
- 6.4 Defect Management 210
- 6.4.1 Spare area 211
- 1234567 505 506 212
- 1234567 505 506(unused) 212
- 6.5 Read-Ahead Cache 213
- • READ SECTOR (S) 214
- 6.5.3 Usage of read segment 215
- 6.6 Write Cache 221
- Glossary 224
- Acronyms and Abbreviations 228
- Comment Form 230
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