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Seagate ST3120827AS, ST3120026AS, ST3120022AS, ST3160023AS Description if bit is set to Bit Word

Models: ST380817AS ST3120026AS ST340111AS ST380013AS ST3160023AS ST3120827AS ST380011AS ST3200822AS ST3160021AS ST3160827AS ST3120022AS ST340014AS ST310005N1A1ASRK

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Description (if bit is set to 1)

	Bit	Word 63

	0	Multiword DMA mode 0 is supported.

	1	Multiword DMA mode 1 is supported.

	2	Multiword DMA mode 2 is supported.

	8	Multiword DMA mode 0 is currently active.

	9	Multiword DMA mode 1 is currently active.

	10	Multiword DMA mode 2 is currently active.

	Bit	Word 88

	0	Ultra DMA mode 0 is supported.

	1	Ultra DMA mode 1 is supported.

	2	Ultra DMA mode 2 is supported.

	3	Ultra DMA mode 3 is supported.

	4	Ultra DMA mode 4 is supported.

	8	Ultra DMA mode 0 is currently active.

	9	Ultra DMA mode 1 is currently active.

	10	Ultra DMA mode 2 is currently active.

	11	Ultra DMA mode 3 is currently active.

	12	Ultra DMA mode 4 is currently active.

	13	Ultra DMA mode 5 is currently active.

	Bit	Word 93

	13	1 = 80-conductor cable detected, CBLID above VIH
		0 = 40-conductor cable detected, CBLID below VIL

Barracuda 7200.7 Serial ATA Product Manual, Rev. N

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Seagate ST3120827AS, ST3120026AS, ST3120022AS, ST310005N1A1ASRK, ST3160023AS, ST380817AS Description if bit is set to Bit Word

Contents

Barracuda 7200.7 Serial ATA Page Barracuda 7200.7 Serial ATA Page Contents Barracuda 7200.7 Serial ATA Product Manual, Rev. N List of Figures Page Introduction About the Serial ATA interface Native Command Queuing Specification summary table Drive specifications System will display the warranty information for your drive Cylinders Read/write heads Sectors per track 16,383 Default logical geometryLBA mode Formatted capacity Recording and interface technology Physical characteristicsDrive specification Physical organization Power specifications Seek timeStart/stop times Operating power and current Idle mode powerStandby mode Deferred spinup Typical current profiles Additional details Conducted noiseVoltage tolerance Environmental specifications Altitude Temperature gradientWet bulb temperature Humidity Relative humidity Nonoperating vibration AcousticsVibration Operating vibration Test Description Performance level Reference standard Electromagnetic immunityReliability Radio frequency environments Korean RRL Safety certificationAgency certification Electromagnetic compatibility FCC verification Australian C-Tick N176 Environmental protection Corrosive environmentEuropean Union Restriction of Hazardous Substances RoHS Barracuda 7200.7 Serial ATA Product Manual, Rev. N Handling and static-discharge precautions Configuring and mounting the drive Serial ATA cables and connectors Configuring the drive Drive mounting Mounting dimensions-top, side and end view Hot-Plug compatibility Serial ATA Sata interface Pin Function Definition Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions SignalPage Command name Command code in hex ATA-standard commands Supported ATA commands Command name Command code in hex ATA-standard power-management commandsATA-standard security commands Word Description Value Identify Device command XxxxH Fffeh Bit Word Description if bit is set to Bit Word Set Features command values Set Features command 3 S.M.A.R.T. commands M.A.R.T. commandsCode in features register A.R.T. command Barracuda 7200.7 Serial ATA Product Manual, Rev. N Internet MySeagate Reseller.seagate.com Presales SupportTechnical Support Warranty Service Data Recovery Services Authorized Service CentersData Recovery Services FAX services-All Europe toll call Call center Presales and Technical Support Warranty ServiceToll-free support numbers Asia/Pacific support services Publication feedback survey Barracuda 7200.7 Serial ATA Product Manual, Rev. N Index Mtbf RPM RRL Page Page Seagate Technology LLC