Fujitsu MHD2032AT Manuale Utente Pagina 128
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5.3 Host Commands
C141-E050-02EN 5-57
Table 5.9 Format of insurance failure threshold value data
Byte
Item
00
01
Data format version number
02
Attribute 1
Attribute ID
03
Insurance failure threshold
04 to 0D
Threshold 1
(Threshold of
attribute 1)
Reserved
0E to 169
Threshold 2 to
threshold 30
(The format of each threshold value is the same as
that of bytes 02 to 0D.)
16A to 17B
Reserved
17C to 1FE
Unique to vendor
1FF
Check sum
• Data format version number
The data format version number indicates the version number of the data
format of the device attribute values or insurance failure thresholds. The data
format version numbers of the device attribute values and insurance failure
thresholds are the same. When a data format is changed, the data format
version numbers are updated.
• Attribute ID
The attribute ID is defined as follows:
Attribute ID
Attribute name
0
(Indicates unused attribute data.)
1
Read error rate
2
Throughput performance
3
Spin up time
4
Start/stop count
5
Re-allocated sector count
7
Seek error rate
8
Seek time performance
9
Power-on time
10
Number of retries made to activate the spindle motor
- 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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