Seagate ST940110A manual Drive specifications, Specification summary, Specifications

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2.0Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate ST940110A model drives.

2.1Specification summary

The specifications listed in this table are for quick reference. For details on specification measurement or defi- nition, see the appropriate section of this manual.

Table 1:	Specifications

Drive specification		ST940110A

Formatted Gbytes (512 bytes/sector)		40

Guaranteed sectors		78,140,160

Bytes per sector		512

Physical read/write heads		2

Discs		1

Cache (Mbytes)		2

Recording density, BPI (bits/inch max)		642,000

Track density. TPI (tracks/inch max)		100,780

Areal density (Bbits/inch2 max)		65
Spindle speed (RPM)		4,200-class performance
		(spin speed actually 5,400 RPM)

Internal data transfer rate OD (Mbytes/sec max)		48.25

Sustained data transfer rate OD (Mbytes/sec)		31.0

I/O data-transfer rate (Mbytes/sec max)		100

ATA data-transfer modes supported		PIO modes 0–4;
		Multiword DMA modes 0–2;
		Ultra DMA modes 0–5

Height		9.5 +/-0.2 mm (0.374 +/-.0078 inches)

Width		69.85 +/-0.25 mm (2.75 +/-0.0098 inches)

Length		100.2 +/-0.25 mm (3.945 +/-0.0098 inches)

Weight (typical)		99 grams (0.218 lb)

Average latency (msec)		5.6

Power-on to ready (sec typical)		3.9

Standby to ready (sec typical)		2.5 sec

Startup current 5V (peak)		1.2 amps

Track-to-track seek time (msec typical)		1.5 (read), 2.0 (write)

Average seek time (msec typical)		12.0

Average seek, read (msec typical)		12.0

Momentus 4200 N-Lite Product Manual, Rev. A

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Contents Momentus 4200 N-Lite Page Momentus 4200 N-Lite Page Rev. a 10/26/2004 All Revision status summary sheetRevision Date Sheets Affected Page Contents Momentus 4200 N-Lite Product Manual, Rev. a List of Figures Viii Momentus 4200 N-Lite Product Manual, Rev. a Momentus 4200 N-Lite disc drive IntroductionMomentus 4200 N-Lite Product Manual, Rev. a Specification summary Drive specificationsSpecifications Drive specification ST940110ASpecifications LBA mode Default logical geometryFormatted capacity Physical organizationTechnology Specification Physical characteristicsRecording and interface technology Seek timeTime to ready Power specificationsConducted noise Typical current profileVoltage tolerance Power management modes Power-management modesActive mode Idle modeEnvironmental specifications Operating shock ShockNonoperating shock VibrationElectromagnetic immunity AcousticsDrive level acoustics Electromagnetic immunityMeasurement type Specification Safety certificationReliability Agency certificationAustralian C-Tick N176 Korean RRLFCC verification Handling and static discharge precautions Configuring and mounting the driveJumper settings Master/slave configurationCable-select option Drive mountingConnector signals ATA interface signals and connector pinsConnector Cable Signal Name Contact Conductor Cable Connector Conductor Contact Signal NameSupported commands Supported ATA commandsCommand name Command code in hex ATA-standard commands ATA-standard power-management commands Command name Command code in hexATA-standard security commands Word Description Value Identify Device commandXx07H Description if bit is set to Bit Features register values Set Features command4 S.M.A.R.T. commands Code in features register A.R.T. command Supported S.M.A.R.T. commandsInternet MySeagate Reseller.seagate.com Seagate Technology support servicesPresales Support Technical SupportAuthorized Service Centers Warranty ServiceAmericas +1-405-324-47301 +1-405-324-4704 Call Center Toll-free Direct dialAmericas SEAGATE2 +1-405-324-47003 +1-405-324-4702 Call Center Toll-free Direct dial FAX / InternetCall Center Presales and Technical Support Warranty Service FAX Services-All Europe toll callToll-Free Support Numbers Asia/Pacific Support Services Momentus 4200 N-Lite Product Manual, Rev. a Numerics IndexPage Page Momentus 4200 N-Lite Product Manual, Rev. a Page Seagate Technology LLC