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 driveDrive 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

ST3400820SCE, ST3300820SCE, ST3750840SCE, ST3250820SCE, ST3750640SCE specifications

Seagate’s series of hard drives, including the ST3320820SCE, ST3500830SCE, ST3750640SCE, ST3250820SCE, and ST3750840SCE, comprise a robust lineup designed for both consumer and professional use.

The ST3320820SCE model features a storage capacity of 320GB and operates at a rotational speed of 7200 RPM, allowing for faster data access and improved overall performance. This drive is equipped with SATA interface, providing higher data transfer rates and enhanced connectivity options. Its 8MB cache enhances read and write speeds, thus making it suitable for multitasking environments.

In comparison, the ST3500830SCE offers a larger capacity with 500GB storage. This drive is also based on the same 7200 RPM speed standard, ensuring optimal performance for both gaming applications and data-heavy tasks. The SATA interface remains a central feature, promoting seamless integration into a range of PC configurations.

The ST3750640SCE takes the storage capabilities further, offering a generous 750GB space. It shares similar technological advancements such as the SATA interface and 7200 RPM speed, making it ideal for users needing extensive storage for multimedia files, software applications, and backups. The reliable performance alongside its increased capacity makes it a favored choice among professionals.

The ST3250820SCE model is targeted towards those needing a balance between performance and cost-efficiency. With a 250GB capacity, this drive provides ample space for everyday usage while maintaining a robust 7200 RPM speed and 8MB cache. This makes it an ideal option for entry-level systems and general-purpose computing.

Lastly, the ST3750840SCE offers up to 750GB of space, similar to the ST3750640SCE, but also incorporates advanced technologies for enhanced reliability and durability. This includes features like Seagate's Smart Align technology, which optimizes the drive's performance by efficiently managing data, especially with modern 4K sector drives.

Overall, these Seagate models cater to a wide spectrum of users, from casual home users to professionals requiring reliable and high-performance storage solutions. With a combination of speed, capacity, and innovative technologies, they stand out as solid choices in the hard drive market.
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