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Cheetah 10K.7 SCSI Product Manual, Rev. D 25
6.0 Physical/electrical specifications
This section provides information relating to the physical and electrical characteristics of the Cheetah 10K.7
SCSI drive.
6.1 AC power requirements
None.
6.2 DC power requirements
The voltage and current requirements for a single drive are shown in the following tables. Values indicated
apply at the drive power connector. The table shows current values in Amperes.
Table 2: DC power requirements
Notes
ST3300007
SE mode LVD mode
Voltage +5 V +12 V +5 V +12 V
Regulation [5] ±5% ±5%[2] ±5% ±5%[2]
Average idle current DC X
[1][7] 0.54 0.62 0.54 0.62
Maximum starting current
(peak DC) DC
3σ
(peak AC) AC 3σ
[3]
[3]
0.77
1.16
1.91
3.71
0.77
1.16
1.91
3.88
Delayed motor start (max) DC
3σ [1][4] 0.52 0.06 0.53 0.06
Peak operating current
DC X
Maximum DC 3σ
Maximum (peak) DC 3σ
[1][6]
[1]
0.69
0.70
1.62
1.07
1.08
2.74
0.68
0.69
1.62
1.09
1.10
2.76