IBM DARA-206000 Hard Drive Specifications - Page 22

Full Stroke Seek, Average Latency, Drive Ready Time

Get IBM DARA-206000 - Travelstar 12 GB Hard Drive PDF manuals and user guides View all IBM DARA-206000 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 22 highlights

3.3.4 Full Stroke Seek Function Read Write Figure 8. Full Stroke Seek Time Typical 23.0 msec 24.0 msec Full stroke seek is measured as the average of 1000 full stroke seeks. 3.3.5 Average Latency Max 30.0 msec 31.0 msec Model DARA-225000 DARA-206000 DARA-209000 DARA-212000 DARA-215000 DARA-218000 Figure 9. Latency Time RPM 5411 4200 3.3.6 Drive Ready Time Time for a revolution 11.1 msec 14.3 msec Average Latency 5.5 msec 7.1 msec Condition Power On To Ready Power On To Ready Power On To Ready Figure 10. Drive Ready Time Model DARA-225000 DARA-206000 DARA-209000 DARA-212000 DARA-215000 DARA-218000 Typical 4.5 sec 2.8 sec 3.0 sec Max 10.5 sec 9.5 sec 9.5 sec Ready Power On The condition in which the drive is able to perform a media access command (e.g. read, write) immediately. This includes the time required for the internal self diagnostics. 12 OEM Specifications of DARA-2xxxxx 2.5 inch H D D Rev 2.1

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
3.3.4
Full Stroke Seek
Figure 8. Full Stroke Seek Time
Full stroke seek is measured as the average of 1000 full stroke seeks.
3.3.5
Average Latency
Figure 9. Latency Time
3.3.6
Drive Ready Time
Figure 10. Drive Ready Time
Ready
The condition in which the drive is able to perform a media access command (e.g.
read, write) immediately.
Power On
This includes the time required for the internal self diagnostics.
Function
Typical
Max
Read
23.0 msec
30.0 msec
Write
24.0 msec
31.0 msec
Model
RPM
Time for a revolution
Average Latency
DARA-225000
5411
11.1 msec
5.5 msec
DARA-206000
DARA-209000
DARA-212000
DARA-215000
DARA-218000
4200
14.3 msec
7.1 msec
Condition
Model
Typical
Max
Power On To Ready
DARA-225000
4.5 sec
10.5 sec
Power On To Ready
DARA-206000
DARA-209000
DARA-212000
2.8 sec
9.5 sec
Power On To Ready
DARA-215000
DARA-218000
3.0 sec
9.5 sec
12
OEM Specifications of DARA-2xxxxx 2.5 inch HDD Rev 2.1