Seagate ST9100011FS, ST950011FS, ST9200011FS manual 50GB DC power requirements

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Table 4:	50GB DC power requirements
	Parameter							50Gb (3.0GB)
	Regulation							+/‐5%

	Voltage							+5 V
								Current (A)	Power (W)
	Average Idle Current							0.13	0.65
	Average Idle Current	DCx						0.13	0.65
	Standby							0.11	0.55
	Standby	DCx						0.11	0.55
	Average Sleep Current	DCx						0.09	0.45
	Maximum Start Current:
	DC (Peak DC)	3σ						0.83
	AC (Peak AC)	3σ						1.59
	Delayed Motor Start (DC max)	3σ						0.11	0.55
	Peak Operating Current (random read):
	Typical DC	DCx						0.16	0.80
	Maximum DC	3σ						0.18	0.90
	Maximum DC (peak)	3σ						0.67
	Peak Operating Current (random write):
	Typical DC							0.25	1.25
	Typical DC	DCx						0.25	1.25
	Maximum DC	3σ						0.28	1.40
	Maximum DC (peak)	3σ						0.98
	Peak operating current (sequential read):
	Typical DC							0.23	1.15
	Typical DC	DCx						0.23	1.15
	Maximum DC	3σ						0.25	1.25
	Maximum DC (peak)	3σ						0.74
	Peak operating current (sequential write):
	Typical DC	DCx						0.37	1.85
	Maximum DC	3σ						0.40	2.00
	Maximum DC (peak)	3σ						0.90

*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase power to oper- ational levels.

Pulsar Product Manual, Rev. A

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Contents ST9200011FS ST9100011FS ST950011FS PulsarTMRevision Date Revision historyContents Pulsar Product Manual, Rev. a List of Figures Page Introduction About the Serial ATA interface Drive specifications summary for 200, 100 and 50 GB models Specification summary tablesPulsar Product Manual, Rev. a Performance, Recording and interface technology Default logical geometry for ATA based systemsFormatted capacity Performance Physical characteristicsTime to Ready Access timeTypical access times µs Read Write Power specifications 200GB DC power requirements 100GB DC power requirements 50GB DC power requirements Voltage tolerance Typical current profilesConducted noise Environmental specifications Vibration Electromagnetic immunityOperating vibration Nonoperating vibrationReliability Reliability specificationsAgency certification Chassis Environmental protectionCorrosive environment Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveDrive mounting Mounting dimensions-top, side and end viewAir flow CoolingHot-Plug compatibility Serial ATA Sata interfaceSerial ATA connector pin definitions Serial ATA device plug connector pin definitionsSignal Pin Function DefinitionCommand name Command code in hex Supported ATA commandsSupported ATA commands C6H Word Description Value Identify Device commandXxxxh Ffffh Bit Word Description if bit is set to Bit WordDevice supports Software Settings Preservation Media serial number is supported Write-Read-Verify feature set is supported Set Features command values Set Features commandCode in features register A.R.T. command 3 S.M.A.R.T. commandsA.R.T. commands Pulsar Product Manual, Rev. a Web Warranty Support Direct.seagate.com Spp.seagate.comData Recovery Services Authorized Service Centers Technical Support Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Presales SupportIndex Page Page Pulsar Product Manual, Rev. a Page Disc Drive, Scotts Valley, California 95066-4544, USA