Seagate ST3750640SCE, ST3250820SCE manual Supported ATA commands, Command name Command code in hex

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4.3Supported ATA commands

The following table lists Serial ATA standard commands that the drive supports. For a detailed description of the ATA commands, refer to the Serial ATA: High Speed Serialized AT Attachment specification. See “S.M.A.R.T. commands” on page 38.for details and subcommands used in the S.M.A.R.T. implementation.

Table 9: Supported ATA commands

Command name	Command code (in hex)

Check Power Mode	98H or E5H
Device Configuration Freeze Lock	B1H / C1H
Device Configuration Identify	B1H / C2H
Device Configuration Restore	B1H / C0H
Device Configuration Set	B1H / C3H
Device Reset	08H
Download Microcode	92H
Execute Device Diagnostics	90H
Flush Cache	E7H
Flush Cache Extended	EAH
Format Track	50H
Identify Device	ECH
Idle	97H or E3H
Idle Immediate	95H or E1H
Initialize Device Parameters	91H
Read Buffer	E4H
Read DMA	C8H
Read DMA Extended	25H
Read DMA Without Retries	C9H
Read Log Ext	2FH
Read Multiple	C4H
Read Multiple Extended	29H
Read Native Max Address	F8H
Read Native Max Address Extended	27H
Read Sectors	20H
Read Sectors Extended	24H
Read Sectors Without Retries	21H
Read Verify Sectors	40H
Read Verify Sectors Extended	42H
Read Verify Sectors Without Retries	41H
Recalibrate	10H
Security Disable Password	F6H
Security Erase Prepare	F3H

DB35.3 Series Serial ATA Product Manual, Rev. D

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Contents

DB35.3 Series Serial ATA Revision Date Sheets affected or comments Revision historyContents DB35.3 Series Serial ATA Product Manual, Rev. D List of Figures Page Introduction About the Serial ATA interface Specification summary tables Drive specificationsDrive specification ST3750640SCE ST3750840SCE Drive specifications summary for 750 Gbyte modelsDB35.3 Series Serial ATA Product Manual, Rev. D Drive specification ST3500830SCE ST3400820SCE Drive specifications summary for 500 and 400 Gbyte modelsFollowing web Drive specification ST3320820SCE ST3300820SCE Drive specifications summary for 320 and 300 Gbyte modelsDB35.3 Series Serial ATA Product Manual, Rev. D Drive specification ST3250820SCE Drive specifications summary for 250 Gbyte modelsInformation for your drive LBA mode Default logical geometryFormatted capacity Cylinders Read/write heads Sectors per track 16,383Drive specification Physical characteristicsRecording and interface technology 750GB 500GB 400GB 320GB 300GB 250GBSeek time Power specificationsStart/stop times Idle mode power Operating power and currentStandby mode DC power requirementsActive mode Power-management modesPower modes Heads Spindle Buffer Conducted noiseSleep mode Idle modeIdle and Standby timers Environmental specifications 4 Disc models Nonoperating shock Disc modelsVibration Operating vibrationFluid Dynamic Bearing FDB motor acoustics AcousticsIdle CE seek profile Reliability Electromagnetic immunityAgency certification Australian C-Tick N176 Korean RRLFCC verification RoHS MCV Environmental protectionPage Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the drive Drive mounting Mounting dimensions-top, side and end viewDB35.3 Series Serial ATA Product Manual, Rev. D Hot-Plug compatibility Serial ATA Sata interfaceSerial ATA connector pin definitions Serial ATA device plug connector pin definitionsSignal Pin Function DefinitionSupported ATA commands Supported ATA commandsCommand name Command code in hex F4H Word Description Value Identify Device commandXx07H 159 160 ATA-reserved 0000H 254 255 Integrity word XxA5H Bit Word Description if bit is set to Bit WordSet Features command values Set Features commandM.A.R.T. commands 3 S.M.A.R.T. commandsCode in features register A.R.T. command Presales Support InternetTechnical Support Data Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index RRL Sata DB35.3 Series Serial ATA Product Manual, Rev. D Page Seagate Technology LLC