Seagate ST740211DE-40GB manual Set Features command, Features register values, Feature Description

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4.2.2Set Features command

This command is used by the host to establish parameters that affect the execution of certain drive features. The supported features determined by the value in the Features register are as shown in Table 11. Read look- ahead and write cache are enabled by default upon power on.

Table 10:

Features register values

 

Feature

Description

 

 

 

 

02h

Enable Write Cache

 

 

 

 

03h

Set DMA and PIO transfer modes based on the value in the Sector Count register.

 

 

Sector Count register values

 

 

08h: Set PIO Transfer Mode 0

 

 

09h: Set PIO Transfer Mode 1

 

 

0Ah: Set PIO Transfer Mode 2

 

 

0Bh: Set PIO Transfer Mode 3

 

 

0Ch: Set PIO Transfer Mode 4

 

 

20h: Set Multiword Transfer Mode 0.

 

 

21h: Set Multiword Transfer Mode 1.

 

 

22h: Set Multiword Transfer Mode 2.

 

 

40h: Set Ultra DMA mode 0.

 

 

41h: Set Ultra DMA mode 1.

 

 

42h: Set Ultra DMA mode 2.

 

 

44h: Set Ultra DMA mode 4.

 

 

 

 

05h

Enable Advanced Power Management (APM) with APM level as in the Sector Count register .

 

 

Sector Count register values

 

 

0h : Reserved

 

 

1h – 7Fh : Allow Spin-Down (Standby Mode)

 

 

80h – FEh : Disallow Spin-Down (Low Power Idle Mode)

 

 

FFh : Reserved

 

 

 

 

55h

Disable Read Look-Ahead.

 

 

 

 

82h

Disable Write Cache.

 

 

 

 

85h

Disable Advanced Power Management (APM)

 

 

 

 

AAh

Enable Read Look-Ahead .

 

 

 

Lyrion Series IDE Product Manual, Rev. F

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Contents ST760211DE ST740211DE ST730212DE Lyrion Series IDERevision Date Sheets affected or comments Revision historyContents Lyrion Series IDE Product Manual, Rev. F List of Figures Lyrion Series IDE Product Manual, Rev. F Introduction DisclaimerDrive care Lyrion Series IDE Product Manual, Rev. F Specifications Drive specificationsDrive specification ST760211DE ST740211DE ST730212DE OverviewLBA mode addressing Default logical geometryFormatted capacity Model Cylinders Heads SectorsTechnology Specification Physical characteristicsRecording and interface technology Time to readyPower specifications DC power Power Consumption at Average WTypical current profile Active mode Power-management modesStandby/Sleep mode Conducted noiseEnvironmental specifications Operating shock ShockNonoperating shock VibrationOperating random vibration Operating sweep sine vibrationOperating random vibration profile Nonoperating sweep sine vibrationNonoperating random vibration AcousticsNonoperating random vibration profile Corrosive environmentElectromagnetic immunity Measurement type SpecificationReliability Electromagnetic immunityAgency certification Safety certificationElectromagnetic compatibility Korean RRL12.4 中国限制危险物品的指令 China Restriction of Hazardous Substances RoHS DirectiveFCC verification Handling and static discharge precautions Configuring and mounting the drivePage Lyrion Series mechanical dimensions-top, side and end view Drive installationMounting considerations Lyrion Series FPC dimensionsConnector interface signals and connector pins Way ZIF IDE interface connector signalsInterface description Iordy Supported ATA commands Supported commandsCommand Name Command Op-Code Command Type Supported commands Word ATA specification Value Identify Device commandLyrion Series IDE Product Manual, Rev. F Set Features command Features register valuesFeature Description Lyrion Series IDE Product Manual, Rev. F Internet Seagate Technology support servicesPresales Support Technical SupportData Recovery Services Authorized Service Centers Warranty ServiceIndex Page Page Seagate Technology LLC

ST740211DE-40GB, ST760211DE-60GB, ST730212DE-30GB specifications

Seagate, a renowned name in the storage solutions industry, has made significant contributions with its range of hard disk drives (HDDs) designed for various applications. Among these are the Seagate ST730212DE-30GB, ST760211DE-60GB, and ST740211DE-40GB models. Each of these drives brings unique features and technologies tailored to meet the demands of users seeking reliable data storage.

Starting with the Seagate ST730212DE-30GB, this drive offers a compact storage solution with a capacity of 30GB, making it suitable for handheld devices or applications where space is a premium. The ST730212DE utilizes a 2.5-inch form factor, which allows for easy integration into various devices while ensuring portability. This HDD is built with an average latency of 12 ms and a spindle speed of 4,200 RPM, which provides a decent performance for applications that require quick access to stored data. Its ATA interface ensures compatibility with a wide range of systems, providing flexibility for users.

Next in line is the Seagate ST760211DE-60GB, which doubles the storage capacity of the previous model to 60GB. The ST760211DE is designed for slightly more demanding applications, making it ideal for users who require additional storage without compromising on size. Similar to the ST730212DE, this drive features a 2.5-inch form factor and operates at a spindle speed of 4,200 RPM. Its enhanced capacity allows for more extensive media libraries, applications, and files, while the ATA interface maintains broad compatibility.

Finally, the Seagate ST740211DE-40GB strikes a balance between the two preceding models, offering 40GB of storage. This drive caters to those who need more than what the ST730212DE offers but do not require the full 60GB of the ST760211DE. With the same dimensions and spindle speed, the ST740211DE is versatile and can fit various applications, from laptops to gaming consoles, all while ensuring optimal performance.

All three models embody Seagate's commitment to reliability and performance. They incorporate advanced technologies for data integrity and longevity, along with robust error correction features that minimize the risk of data loss. With their varying capacities and consistent form factors, users can choose the drive that best suits their needs, making these models a great choice for both casual and professional use. Overall, the Seagate ST730212DE-30GB, ST760211DE-60GB, and ST740211DE-40GB represent excellent options for those seeking dependable storage solutions.
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