Seagate ST410800W/WD User Manual
Page 17
Elite 9 Installation Guide, Rev. B
15
DC power requirements for ST410800N/ND drives
Single-ended
Differential
+++++
5V
11
+++++
12V
+++++
5V
11
+++++
12V
Voltage regulation
5
±±±±±
5%
±±±±±
5%
2
±±±±±
5%
±±±±±
5%
2
Amps
Max operating current
DC 3
σ
1
0.95
1.85
1.4
1.85
Avg idle current
DC X
1,
12
0.665
1.57
0.71
1.57
Max starting current
Peak DC 3
σ
3,
6
0.98
4.8
1.0
4.8
Peak AC 3
σ
3
–
5.12
–
5.12
Delay motor start
Max DC 3
σ
1, 4
0.98
0.25
1.0
0.25
Peak operating current
Typical DC X
1, 10
0.93
1.69
1.32
1.69
Max DC 3
σ
1
0.95
1.85
1.4
1.85
Max (peak) AC 3
σ
1.19
2.89
1.58
2.89
Track following at
OD DC X
1
0.94
1.6
0.99
1.6
ID DC X
1
0.92
1.9
0.98
1.9
Read track
OD DC 3
σ
1, 14
0.96
1.8
1.45
1.8
AC 3
σ
1.37
1.9
1.64
1.9
Seeking
Typical DC X
1, 13
0.95
1.95
0.99
1.95
Max DC 3
σ
1
0.99
2.1
1.02
2.1
Max (peak) AC 3
σ
1.15
2.85
1.49
2.85
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