Seagate barracuda 9 st19171wc Manual De Usuario
Barracuda 9 Installation Guide, Rev. A
13
DC power requirements
1
Measured with an average reading DC ammeter. Instanta-
neous +12V current peaks will exceed these values.
neous +12V current peaks will exceed these values.
Single-ended
Differential
+5V
± 5%
+12V
± 5%
± 5%
+5V
± 5%
+12V
± 5%
± 5%
Voltage regulation
Amps
Maximum operating current
1.02
0.83
TBD
TBD
Maximum starting current
Peak DC
Peak AC
0.98
–
–
2.2
3.1
3.1
TBD
TBD
TBD
TBD
TBD
TBD
Delayed motor start (max)
1.04
0.05
TBD
TBD
Peak operating current
Typical DC
Maximum DC
Maximum (peak)
0.97
1.02
1.09
1.02
1.09
0.8
0.83
1.8
0.83
1.8
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Track following (DC)
at OD
at ID
0.94
0.92
0.92
0.74
0.76
0.76
TBD
TBD
TBD
TBD
TBD
TBD
Read track
OD DC
AC
1.05
1.14
1.14
0.79
1.0
1.0
TBD
TBD
TBD
TBD
TBD
TBD
Seeking
Typical DC
Maximum DC
Maximum (peak) AC
0.97
1.00
1.03
1.00
1.03
0.92
1.04
1.8
1.04
1.8
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD