Seagate ST9450305SS ユーザーズマニュアル
Savvio 10K.5 SAS Product Manual, Rev. D
23
Table 3:
600GB standard drive
DC power requirements
Notes
3.0Gb mode
6.0Gb mode
(Amps)
(Amps)
(Amps)
(Amps)
Voltage
+5V
+5V
+12V [2]
Regulation
±5%
±5% [2]
±5%
Avg idle current DC
0.34
0.17
0.35
0.17
Advanced Idle Current
Idle_A
3
σ
0.39
0.18
0.40
0.18
Idle_B
3
σ
0.27
0.16
0.27
0.16
Idle_C
3
σ
0.27
0.09
0.27
0.09
Standby
3
σ
0.27
0.06
0.26
0.06
Transition Current
Idle_A
3
σ
1.00
1.58
1.05
1.59
Idle_B
3
σ
0.87
1.54
0.86
1.59
Idle_C
3
σ
0.87
1.57
0.85
1.63
Standby
3
σ
1.01
1.57
0.95
1.58
Maximum starting current
(peak DC) DC
3
σ
0.64
0.86
0.64
0.86
(peak AC) AC
3
σ
0.97
1.56
0.89
1.55
Delayed motor start (max) DC
3
σ
0.47
0.06
0.47
0.06
Peak operating current (random read):
Typical DC
0.46
0.45
0.46
0.45
Maximum DC
3
σ
0.53
0.46
0.53
0.47
Maximum (peak) DC
3
σ
1.24
1.70
1.29
1.50
Peak operating current (random write)
Typical DC
0.54
0.34
0.54
0.34
Maximum DC
3
σ
0.59
0.38
0.60
0.40
Maximum (peak) DC
3
σ
1.16
1.54
1.18
1.47
Peak operating current (sequential read)
Typical DC
0.80
0.19
0.80
0.19
Maximum DC
3
σ
0.90
0.20
0.90
0.19
Maximum (peak) DC
3
σ
1.14
0.36
1.19
0.36
Peak operating current (sequential write)
Typical DC
0.86
0.19
0.86
0.19
Maximum DC
3
σ
0.98
0.20
0.98
0.20
Maximum (peak) DC
3
σ
1.25
0.34
1.19
0.34