Hitachi IC35L060AVV207 Datasheet Page 71
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- Table of contents
- BOOKMARKS
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6.9 Acoustics
The upper limit criteria of the octave sound power levels are given in Bels relative to one picowatt and are
shown in the following table. The sound power emission levels are measured in accordance with
ISO 7779.
3.1 / 3.52.9 / 3.32.8 / 3.2Quiet seek mode
3.4 / 3.73.4 / 3.73.4 / 3.7Performance seek mode
Operating
3.0 / 3.42.8 / 3.22.6 / 3.0Idle
180-GB
model
120-GB and
80-GB models
60-GB, 40GB,
& 30-GB
models
Typical / Max
Mode
Figure 67. Sound power levels
Mode definition:
Idle mode. The drive is powered on, disks spinning, track following, unit ready to receive and
respond to interface commands.
Operating mode. Continuous random cylinder selection and seek operation of the actuator with a
dwell time at each cylinder. The seek rate for the drive is to be calculated as shown below:
y Dwell time = 0.5 x 60/RPM
y Seek rate = 0.4 / (Average seek time + Dwell time)
Deskstar 180GXP hard disk drive specifications
57
- Deskstar 180 GXP 1
- Table of contents 5
- List of figures 11
- 1.0 General 15
- 2.0 General features 17
- 3.1 Control Electronics 21
- 3.2 Head disk assembly 21
- 3.3 Actuator 21
- 4.0 Drive characteristics 23
- 4.2 Data sheet 24
- 4.3 Drive organization 25
- 4.4.1 Command overhead 26
- 4.4.2 Mechanical positioning 26
- Figure 7. Head switch time 27
- 4.4.3 Drive ready time 28
- 4.4.4 Data transfer speed 29
- 4.4.5 Throughput 30
- 4.4.6 Operating modes 30
- Operating mode descriptions 30
- 5.0 Defect flagging strategy 33
- 6.0 Specification 35
- 6.1.2 Signal definition 36
- 6.2 Signal timings 40
- 6.2.2 PIO timings 41
- 6.2.3 Multiword DMA timings 43
- 6.2.4 Ultra DMA timings 44
- HDMARDY– is negated 45
- 6.2.4.5 Initiating Write DMA 48
- DDMARDY– is negated 49
- 6.2.5 Addressing of registers 52
- 6.2.6 Cabling 52
- 6.3 Jumper settings 53
- 6.3.4.4 Power Up In Standby 58
- 6.4 Environment 59
- Nonoperating 60
- Operating 60
- 6.5 DC power requirements 61
- 6.6 Reliability 64
- 6.7 Mechanical specifications 65
- BREATHER HOLE 66
- 6.7.2 Hole locations 67
- 6.7.3Connector locations 68
- 6.7.4 Drive mounting 68
- 6.8 Vibration and shock 69
- 6.8.3 Operating shock 70
- 6.8.4 Nonoperating shock 70
- 6.9 Acoustics 71
- 6.10 Identification labels 72
- 6.11 Safety 73
- 6.12.1 CE Mark 74
- 6.12.2 C-Tick Mark 74
- 7.0 General 77
- Deviations from standard 77
- 8.0 Registers 79
- 8.2 Command Register 80
- 8.3 Cylinder High Register 80
- 8.4 Cylinder Low Register 80
- 8.5 Data Register 81
- 8.6 Device Control Register 81
- 8.7 Drive Address Register 81
- 8.8 Device/Head Register 82
- 8.9 Error Register 82
- 8.10 Features Register 83
- 8.11 Sector Count Register 83
- 8.12 Sector Number Register 83
- 8.13 Status Register 84
- 9.0 General operation 85
- 9.1.1 Register initialization 86
- 9.3 Sector Addressing Mode 88
- 9.5 Power management feature 90
- Figure 79. Power conditions 91
- 9.6 S.M.A.R.T. function 92
- 9.6.8 Self-test 93
- 9.7 Security Mode Feature Set 94
- 9.7.4 Operation example 95
- Figure 81. Usual Operation 96
- 9.7.4.4 User Password Lost 97
- 9.7.5 Command table 98
- 9.8.2 Security extensions 101
- 9.9 Seek Overlap 102
- 9.10 Write cache function 103
- 9.11 Reassign function 103
- 9.15 Address Offset Feature 105
- 9.15.2 Identify Device Data 106
- 10.0 Command Protocol 109
- 10.1 PIO Data In commands 110
- 10.2 PIO Data Out commands 112
- 10.3 Non-data commands 114
- 10.4 DMA commands 116
- 10.5 DMA queued commands 117
- 11.0 Command descriptions 119
- (subcommand C1h) 125
- 11.4 Flush Cache (E7h) 129
- 11.5 Flush Cache Ext (EAh) 130
- 11.6 Format Track (50h) 131
- 11.7 Format Unit (F7h) 133
- 11.8 Identify Device (ECh) 134
- 11.9 Idle (E3h/97h) 141
- 11.12 NOP (00h) 144
- 11.13 Read Buffer (E4h) 145
- 11.14 Read DMA (C8h/C9h) 146
- 11.15 Read DMA Ext (25h) 148
- Read DMA Ext Command (25h) 148
- 11.16 Read DMA Queued (C7h) 150
- 11.18 Read Log Ext (2Fh) 154
- BytesDescription 155
- 11.18.2.1 Error log version 156
- 11.18.2.2 Error log index 156
- 11.18.2.4 Device error count 158
- 11.19 Read Long (22h/23h) 161
- 11.20 Read Multiple (C4h) 163
- 11.21 Read Multiple Ext (29h) 165
- 11.28 Recalibrate (1xh) 177
- 11.34 Security Unlock (F2h) 185
- 11.35 Seek (7xh) 187
- 11.36 Service (A2h) 188
- 11.37 Set Features (EFh) 189
- 11.37.1 Set Transfer mode 190
- 11.37.2 Write Cache 190
- Software Resets 192
- 11.38 Set Max Address (F9h) 193
- Figure 151. Set Max Lock 196
- 11.40 Set Multiple (C6h) 201
- 11.41 Sleep (E6h/99h) 202
- 11.42.1 S.M.A.R.T. Subcommand 204
- ByteDescription 208
- 11.42.4 SMART Log Directory 213
- 11.42.5.2 Error log index 214
- 11.42.5.3 Device error count 214
- 11.42.7 Error reporting 218
- 11.43 Standby (E2h/96h) 219
- 11.45 Write Buffer (E8h) 222
- 11.46 Write DMA (CAh/CBh) 223
- 11.47 Write DMA Ext (35h) 225
- 11.50 Write Log Ext (3Fh) 231
- 11.51 Write Long (32h/33h) 233
- 11.52 Write Multiple (C5h) 235
- 12.0 Timings 243
- Addressing of registers, 38 245
- Technologies 247
- DeskstarTM is a trademark of 247
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