Specifications

4-8Quantum 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.