3 current requirements, Spin-up mode, Idle mode – Quantum 10K II User Manual
Page 63: Ecma seek mode
Specifications
4-8
Quantum Atlas 10K II Ultra 160/m SCSI Hard Disk Drives
4.5.3.3 Current Requirements
Typical currents are at nominal supply voltages.
Spin-Up Mode
Typical / Maximum Current
9.2 GB
18.4 GB
36.7 GB
73.4 GB
5 Vdc Supply, Avg.
740.2 / 810* mA
686.0 / 820* mA
731.8 / 820* mA
719.5 / 820* mA
12 Vdc Supply, Avg.
2524.5 / 2850 mA,
peak
2475.1 / 2860 mA,
peak
2507.4 / 2860 mA,
peak
3221.5 / 3740 mA,
peak
* This value achieved during calibration.
Idle Mode
Maximum
9.2 GB
18.4 GB
36.7 GB
73.4 GB
5 Vdc Supply, Avg.
570 mA
580 mA
580 mA
570 mA
12 Vdc Supply, Avg.
490 mA
610 mA
610 mA
1030 mA
ECMA Seek Mode
Maximum
(ECMA Seeking)
9.2 GB
18.4 GB
36.7 GB
73.4 GB
5 Vdc Supply, Avg.
600 mA
610 mA
610 mA
590 mA
12 Vdc Supply, Avg.
960 mA
1080 mA
1080 mA
1450 mA
NOTE
ECMA Seek Rate is defined in ECMA standard 74. It corresponds to 52
random seeks per second.