Seagate ST300MM0026 ユーザーズマニュアル
22
Savvio 10K.4 FC Product Manual, Rev. A
6.3
DC power requirements
The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive
connector. Notes are shown following Table 3.
connector. Notes are shown following Table 3.
Table 2:
DC power requirements for ST9600204FC model
2Gb
4Gb
Notes
(Amps)
(Amps)
(Amps)
(Amps)
Voltage
+5V
+12V [2]
+5V
+12V [2]
Regulation
[6]
±5%
±5% [2]
±5%
±5% [2]
Avg idle current DC
0.36
0.25
0.38
0.25
Advanced Idle Current
Idle_A
3
σ
0.35
0.25
0.38
0.25
Idle_B
3
σ
0.25
0.23
0.28
0.22
Idle_C
3
σ
0.25
0.10
0.27
0.11
Standby
3
σ
0.25
0.06
0.27
0.06
Transition Current
Idle_A - Active
3
σ
0.72
1.58
0.76
1.56
Idle_B - Active
3
σ
0.66
1.56
0.68
1.56
Idle_C - Active
3
σ
0.70
1.56
0.74
1.56
Standby - Active
3
σ
0.70
1.66
0.72
1.68
Maximum starting current
(peak DC) DC
3
σ
0.56
0.92
0.58
0.92
(peak AC) AC
3
σ
0.78
1.64
0.78
1.68
Delayed motor start (max) DC
3
σ
0.57
0.06
0.59
0.06
Peak operating current (random read):
Typical DC
0.43
0.50
0.45
0.50
Maximum DC
3
σ
0.44
0.53
0.46
0.52
Maximum (peak) DC
3
σ
1.12
1.56
1.12
1.54
Peak operatig current (random write)
Typical DC
0.47
0.40
0.50
0.39
Maximum DC
3
σ
0.50
0.42
0.52
0.41
Maximum (peak) DC
3
σ
1.00
1.58
1.04
1.58
Peak operating current (sequential read)
Typical DC
0.85
0.25
0.88
0.24
Maximum DC
3
σ
0.87
0.25
0.90
0.25
Maximum (peak) DC
3
σ
1.14
0.42
1.18
0.42
Peak operating current (sequential write)
Typical DC
0.81
0.24
0.83
0.24
Maximum DC
3
σ
0.82
0.25
0.84
0.25
Maximum (peak) DC
3
σ
1.02
0.46
1.06
0.46