Seagate ST380020ACE, ST320410ACE manual Formatted capacity, Default logical geometry, LBA Mode

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U Series CE Family Product Manual, Rev. A

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1.0 Drive 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 the S T 38 00 2 0A CE , S T 3 60 01 0A C E, S T 3 4 08 10 A CE a nd th e ST320410ACE.

1.1 Formatted capacity

Drive Model	Formatted Gbytes	Guaranteed	Bytes per
		sectors	sector


ST380020ACE	80	156,301,488	512

ST360020ACE	60	117,231,408	512

ST340810ACE	40	78,165,360	512

ST320410ACE	20	39,102,336	512

1.1.1 Default logical geometry

CHS Mode	Cylinders	Read/Write	Sectors per
		heads	track


ST380020ACE	16,383	16	63

ST360020ACE	16,383	16	63

ST340810ACE	16,383	16	63

ST320410ACE	16,383	16	63

LBA Mode

When addressing drive in LBA mode, all blocks (sectors) are consecu- tively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

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Contents Series CE Family Page Series CE Family Page Contents ATA interface Configuring and mounting the driveFigures Series CE Family Product Manual, Rev. a Introduction Specification summary table Track-to-track seek Time msec typical Altitude meters be Low mean sea level LBA Mode Default logical geometryFormatted capacity Physical organization Physical characteristicsRecording and interface technology Start/stop times Seek timePower consumption Power specificationsTypical current profile Power Mode Typical Watts Typical Amps Means 12VConducted noise Power-management modesVoltage tolerance Temperature gradient Environmental tolerances Ambient temperatureSleep mode Idle and Standby timersHumidity 3.1 Relative Humidity 3.2 Wet bulb temperatureAltitude ShockNonoperating vibration Operating vibrationDrive acoustics Electromagnetic immunity Agency certification 1.12.1 Safety certificationReliability Taiwan Bsmi Electromagnetic compatibilityKorean RRL Australian C-Tick N176 FCC verificationHandling and static-discharge precautions Configuring and mounting the driveDrive as master with a non-ATA-compatible slave Jumper settings Master/slave configurationOptions jumper block Alternate capacity jumper Cable-select optionUltra ATA/100 cable Drive mounting Recommended Case temperature Measurement locationATA interface ATA interface signals and connector pinsO pins and supported ATA signals Command name Command code in hex ATA-standard commands Supported ATA commandsCommand name Identify Drive commandATA-standard power-management commands ATA-standard security commands0C5AH Word DescriptionXx07H Word Description ValueXx3FH Bit Word Description if bit is set to Bit WordSet Features command 0AH Code in Features A.R.T. Command Register 4 S.M.A.R.T. commandsSeries CE Family Product Manual, Rev. a Series CE Family Product Manual, Rev. a Series CE Family Product Manual, Rev. a Series CE Family Product Manual, Rev. a Series CE Family Product Manual, Rev. a