Maxtor LD25 Series manual Set Features command, Features register values

Page 34

4.1.3Set Features command

This command controls the implementation of various features that the drive supports. When the drive receives this command, it sets BSY, checks the contents of the Features register, clears BSY and generates an inter- rupt. If the value in the register does not represent a feature that the drive supports, the command is aborted. Power-on default has the read look-ahead and write caching features enabled. The acceptable values for the Features register are defined as follows:

Table 8:

 

Features register values

 

 

 

02H

 

Enable write cache (default).

03H

 

Set transfer mode (based on value in Sector Count register).

 

 

Sector Count register values:

 

 

 

 

 

 

 

00H

 

Set PIO mode to default (PIO mode 2).

 

 

 

 

 

 

 

01H

 

Set PIO mode to default and disable IORDY (PIO mode 2).

 

 

 

 

 

 

 

08H

 

PIO mode 0

 

 

 

 

 

 

 

09H

 

PIO mode 1

 

 

 

 

 

 

 

0AH

 

PIO mode 2

 

 

 

 

 

 

 

0BH

 

PIO mode 3

 

 

 

 

 

 

 

0CH

 

PIO mode 4 (default)

 

 

 

 

 

 

 

20H

 

Multiword DMA mode 0

 

 

 

 

 

 

 

21H

 

Multiword DMA mode 1

 

 

 

 

 

 

 

22H

 

Multiword DMA mode 2

 

 

 

 

 

 

 

40H

 

Ultra DMA mode 0

 

 

 

 

 

 

 

41H

 

Ultra DMA mode 1

 

 

 

 

 

 

 

42H

 

Ultra DMA mode 2

 

 

 

 

 

 

 

43H

 

Ultra DMA mode 3

 

 

 

 

 

 

 

44H

 

Ultra DMA mode 4

 

 

 

 

 

 

 

45H

 

Ultra DMA mode 5

 

 

 

 

05H

 

Enable advanced power management

 

 

 

55H

 

Disable read look-ahead (read cache) feature.

 

 

 

82H

 

Disable write cache.

 

 

 

AAH

 

Enable read look-ahead (read cache) feature (default).

 

 

 

F1H

 

Report full capacity available

 

 

 

 

 

Note. At power-on or after a hardware or software reset the default values of the features are as indicated above.

28

LD25 Series PATA Product Manual, Rev. C

Image 34
Contents LD25 Series ST9402115A ST920217APage Contents LD25 Series Pata Product Manual, Rev. C List of Figures LD25 Series Pata Product Manual, Rev. C Introduction LD25 Series Pata Product Manual, Rev. C Specifications Drive specificationsSpecification summary Drive specification ST9402115A ST920217AFollowing web Formatted capacity Default logical geometryLBA mode Physical organizationTime to ready Physical characteristicsSeek time Typical seek times msec Read WritePower specifications Conducted noise Typical current profileVoltage tolerance Active mode Power-management modesPower management modes Idle modeEnvironmental specifications Nonoperating shock ShockOperating shock VibrationDrive level acoustics AcousticsElectromagnetic immunity Electromagnetic immunityReliability Safety certificationMeasurement type Specification Agency certificationAustralian C-Tick N176 Korean RRLFCC verification Corrosive environment Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS LD25 Series Pata Product Manual, Rev. C Jumper settings Configuring and mounting the driveHandling and static discharge precautions Master/slave configurationCable-select option Mounting dimensions-top, side and end view Drive mountingLD25 Series Pata Product Manual, Rev. C Connector Cable Signal Name Contact Conductor ATA interface signals and connector pinsConnector signals Cable Connector Conductor Contact Signal NameSupported commands Supported ATA commandsCommand name Command code in hex ATA-standard commands ATA-standard power-management commands Command name Command code in hexATA-standard security commands Supported commands Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordSet Features command Features register valuesPresales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index NumericsPage Page LD25 Series Pata Product Manual, Rev. C Page Seagate Technology LLC

LD25 Series specifications

The Maxtor LD25 Series represents a significant advancement in portable storage technology, embodying a blend of performance, reliability, and user-friendly features. Designed for both personal and professional usage, this series caters to the diverse needs of users who require a dependable solution for data storage and transfer.

One of the main features of the Maxtor LD25 Series is its lightweight and compact design. Weighing only a few hundred grams, it easily fits into a backpack or laptop bag, making it ideal for users on the go. This portability does not compromise its durability; the LD25 drives are engineered to withstand the rigors of travel, with robust outer casings that provide protection against drops and impacts.

In terms of technology, the Maxtor LD25 Series employs USB 3.0 connectivity, which allows for rapid data transfer rates up to 5 Gbps. This feature is crucial for users who regularly transfer large files, such as videos, high-resolution images, and extensive databases. Additionally, the backward compatibility with USB 2.0 ensures that users can connect the drive to a wide range of devices without difficulty.

Another noteworthy characteristic of the Maxtor LD25 Series is its capacity options. Available in various storage capacities, ranging from 500GB to 2TB, users can select the size that best meets their requirements. This flexibility makes it suitable for everyone, from casual users needing extra space for multimedia files to professionals in need of a substantial backup solution.

Data security is a top priority for many users, and the Maxtor LD25 Series addresses this need effectively. The included software features data encryption options that help protect sensitive files from unauthorized access. Additionally, the drive's integration with backup management software streamlines the process of backing up important documents, ensuring that crucial data is always safeguarded.

Furthermore, the Maxtor LD25 Series is praised for its plug-and-play functionality, which eliminates the need for complex installation processes. Users can simply connect the drive to their computer, and it will be instantly recognized, ready for use without additional setup.

In conclusion, the Maxtor LD25 Series stands out as a versatile and reliable portable storage solution, combining essential features, advanced technology, and robust security measures. Whether for personal or professional use, it fulfills the demands of modern data management, making it a preferred choice for users across various fields.