Hitachi HDT725025VLA380 Specifications - Page 32
Mode transition time
UPC - 829686001084
View all Hitachi HDT725025VLA380 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 32 highlights
4.5.4.2 Mode transition time Table 11: Mode transition times From Standby Idle Standby Sleep Unload idle Idle Low RPM Idle To Idle Standby Sleep Standby Idle Unload idle Idle RPM 0 ---> 7200 (3 disks) 7200 ---> 0 0 0 7200 7200 4500 ---> 7200 Transition time (sec) Typical Maximum 10 Immediately Immediately Immediately 0.7 0.7 20 Immediately Immediately Immediately 1 1 4(2D) / 6 (3D) 10 Note: The command is processed immediately (within 1ms) but there will be an actual spin down time reflecting the seconds passed until the spindle motor stops. Deskstar T7K500 Hard Disk Drive Specification 18
-
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
-
207
-
208
-
209
-
210
-
211
-
212
-
213
-
214
-
215
-
216
-
217
-
218
-
219
-
220
-
221
-
222
-
223
-
224
-
225
-
226
-
227
-
228
-
229
-
230
-
231
-
232
-
233
-
234
-
235
-
236
-
237
-
238
-
239
-
240
-
241
-
242
-
243
-
244
-
245
-
246
-
247
-
248
-
249
-
250
-
251
-
252
-
253
-
254
-
255
-
256
-
257
-
258
-
259
-
260
-
261
-
262
-
263
-
264
-
265
-
266
-
267
-
268
-
269
-
270
-
271
-
272
-
273
-
274
-
275
-
276
-
277
-
278
-
279
-
280
-
281
-
282
-
283
-
284
-
285
-
286
-
287
-
288
-
289
-
290
-
291
Deskstar T7K500 Hard Disk Drive Specification
18
4.5.4.2
Mode transition time
Note:
The command is processed immediately (within 1ms) but there will be an actual spin down time reflecting
the seconds passed until the spindle motor stops.
Table 11: Mode transition times
From
To
RPM
Transition time (sec)
Typical
Maximum
Standby
Idle
0 ---> 7200 (3 disks)
10
20
Idle
Standby
7200 ---> 0
Immediately
Immediately
Standby
Sleep
0
Immediately
Immediately
Sleep
Standby
0
Immediately
Immediately
Unload idle
Idle
7200
0.7
1
Idle
Unload idle
7200
0.7
1
Low RPM Idle
Idle
4500 ---> 7200
4(2D) / 6 (3D)
10