Seagate ST94811A, ST94011A, ST92811A Recording and interface technology, Physical characteristics

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2.5Recording and interface technology

Technology	Specification

Interface	Parallel ATA

Recording method	RLL 0,11

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

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

Areal density (Mbits/inch2 max)	65
Spindle speed (RPM) (± 0.2%)	5,400

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

Sustained data transfer rate OD (Mbytes/sec max)	34.5

I/O data-transfer rate (Mbytes/sec max)	100 (Ultra DMA mode 5)

Interleave	1:1

Cache buffer
ST94011A and ST92011A	2 Mbytes (2,048 kbytes)
ST94811A and ST92811A	8 Mbytes (8,192 kbytes)

2.6Physical characteristics

Height	(mm)	9.5 +/-0.2
	(inches)	0.374	+/-0.0078

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

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

Typical weight	(grams)	99
	(pounds)	0.218

6	Momentus 5400.1 Product Manual, Rev. F

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Contents Momentus ST94011A ST94811A ST92011A ST92811APage Contents Momentus 5400.1 Product Manual, Rev. F List of Figures Momentus 5400.1 Product Manual, Rev. F Introduction Momentus 5400.1 disc driveMomentus 5400.1 Product Manual, Rev. F Drive specifications Specification summarySpecifications Drive specification ST94011A ST94811A ST92011A ST92811ASpecifications Default logical geometry LBA modeFormatted capacity Physical organizationPhysical characteristics Technology SpecificationRecording and interface technology Seek time Time to readyTypical seek times msec Read Write Time to ready Typical MaxPower specifications Typical current profile Conducted noiseVoltage tolerance Power-management modes Power management modesActive mode Idle modeEnvironmental specifications Shock Operating shockNonoperating shock VibrationAcoustics Electromagnetic immunityDrive level acoustics Electromagnetic immunitySafety certification Measurement type SpecificationReliability Agency certificationKorean RRL Australian C-Tick N176FCC verification Page Configuring and mounting the drive Handling and static discharge precautionsJumper settings Master/slave configurationDrive mounting Cable-select optionATA interface signals and connector pins Connector signalsConnector Cable Signal Name Contact Conductor Cable Connector Conductor Contact Signal NameSupported ATA commands Supported commandsCommand name Command code in hex ATA-standard commands Command name Command code in hex ATA-standard power-management commandsATA-standard security commands Supported commands Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordSet Features command Features register values4 S.M.A.R.T. commands Supported S.M.A.R.T. commandsCode in features register A.R.T. command Momentus 5400.1 Product Manual, Rev. F Installation considerations Compatibility summarySystem Compatibility Tested systemsBios versions tested Tested Bios versionsOperating system versions tested Operating systems testedCompatibility test configurations Software utilitiesOther certification Vendor ApplicationMomentus 5400.1 Product Manual, Rev. F Seagate Technology support services InternetPresales Support Technical SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Index NumericsPage Page Momentus 5400.1 Product Manual, Rev. F Page Seagate Technology LLC

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