Travelstar 5K160 (SATA) Hard Disk Drive Specification

14.8 Identify Device (ECh)

Command Block Output Registers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Command Block Input Registers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Register

 

 

 

 

7

 

6

 

 

 

5

 

4

 

 

 

3

 

 

2

 

 

1

 

 

0

 

 

Register

 

 

 

7

6

 

 

 

 

5

 

4

3

 

2

 

1

 

0

Data

 

 

 

 

-

-

 

-

 

-

 

-

 

 

-

 

-

 

 

-

 

 

Data

 

 

 

 

-

-

 

 

 

-

 

-

-

 

-

 

-

 

-

Feature

 

 

 

 

-

 

-

 

 

 

-

 

-

 

 

 

-

 

 

-

 

 

-

 

 

-

 

 

Error

 

 

 

 

 

 

 

...See Below...

 

 

 

Sector Count

 

 

 

 

-

 

-

 

 

 

-

 

-

 

 

 

-

 

 

-

 

 

-

 

 

-

 

 

Sector Count

 

 

 

-

-

 

 

 

 

-

 

 

-

-

 

-

 

-

 

-

LBA Low

 

 

 

-

-

 

-

 

-

 

-

 

 

-

 

-

 

 

-

 

 

LBA Low

 

 

 

-

-

 

 

-

 

 

-

-

 

-

 

-

 

-

LBA Mid

 

 

 

 

-

 

-

 

 

 

-

 

-

 

 

 

-

 

 

-

 

 

-

 

 

-

 

 

LBA Mid

 

 

 

-

-

 

 

 

 

-

 

-

-

 

-

 

-

 

-

LBA High

 

 

 

-

-

 

-

 

-

 

-

 

 

-

 

-

 

 

-

 

 

LBA High

 

 

 

-

-

 

 

-

 

-

-

 

-

 

-

 

-

Device

 

 

 

 

-

-

 

-

 

-

 

-

 

 

-

 

-

 

 

-

 

 

Device

 

 

 

 

-

-

 

 

-

 

-

-

 

-

 

-

 

-

Command

 

 

 

1

1

 

1

 

0

 

1

 

 

1

 

0

 

 

0

 

 

Status

 

 

 

 

 

 

 

...See Below...

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Error Register

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Status Register

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

6

5

4

 

3

 

 

 

2

 

 

1

 

 

 

 

0

 

 

 

 

 

7

 

6

5

4

3

 

 

2

 

 

 

1

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CRC

 

UNC

0

IDN

 

0

 

 

 

ABT

 

T0N

 

 

 

AM

 

 

 

BSY

 

RDY

DF

DSC

DRQ

 

 

COR

IDX

 

ERR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

0

0

0

 

0

 

 

 

 

 

 

V

 

0

 

 

 

 

0

 

 

 

 

 

0

 

V

0

-

-

 

 

0

 

 

 

0

 

 

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 33 Identify Device Command (ECh)

The Identify Device command requests the device to transfer configuration information to the host. The device will transfer a sector to the host containing the information in “Identify device information” on Page 5-5.

Word

Content

 

Description

 

 

00

045xH

 

Drive classification, bit assignments:

 

 

 

15

(=0):

1=ATAPI device, 0=ATA device

 

 

*

14

(=0):

1=format speed tolerance gap required

 

 

*

13

(=0):

1=track offset option available

 

 

*

12

(=0):

1=data strobe offset option available

 

 

*

11

(=0):

1=rotational speed tolerance > 0.5%

 

 

*

10

(=1):

1=disk transfer rate > 10 Mbps

 

 

*

9

(=0):

1=disk transfer rate > 5 Mbps but <= 10 Mbps

 

 

*

8

(=0):

1=disk transfer rate <= 5 Mbps

 

 

 

7

(=0):

1=removable cartridge device

 

 

 

6

(=1):

1=fixed device

 

 

*

5

(=0):

1=spindle motor control option implemented

 

 

*

4

(=1):

1=head switch time > 15 us

 

 

*

3

(=1):

1=not MFM encoded

 

 

 

2

(=x):

1=Identify data incomplete

 

 

*

1

(=1):

1=hard sectored

 

 

 

0

(=0):

Reserved

01

Note.2

 

Number of cylinders in default translate mode

02

xxxxh

 

Specific configuration

 

 

 

C837h

 

SET FEATURES subcommand is not required to spin-up

 

 

 

 

 

and IDENTIFY DEVICE response is complete

 

 

 

37C8h

 

SET FEATURES subcommand is required to spin-up and

 

 

 

 

 

IDENTIFY DEVICE response is incomplete

03

Note.2

 

Number of heads in default translate mode

04-05

0

*

Reserved

 

 

06

003FH

 

Number of sectors per track in default translate mode

07-09

0

 

Reserved

 

 

 

 

 

 

82/167

Page 81 Page 83
Page 82
Image 82
Hitachi HTS541616J9SA00, HTS541640J9SA00, HTS541680J9SA00 Identify Device ECh, Identify Device response is complete, 37C8h
Page 81 Page 83

HTS541640J9SA00, HTS541616J9SA00, HTS541680J9SA00, HTS541612J9SA00, HTS541660J9SA00 specifications

The Hitachi HTS541660J9SA00, HTS541640J9SA00, HTS541616J9SA00, HTS541680J9SA00, and HTS541612J9SA00 are a series of hard disk drives that showcase Hitachi's commitment to high-performance storage solutions. These drives belong to the Travelstar series, which is designed primarily for mobile computing applications, such as laptops and external storage devices. Their compact design and reliable performance make them suitable for users seeking efficient storage in portable settings.

One of the primary features of these drives is their SATA interface, which allows for fast data transfer rates, thereby enhancing overall system performance. The SATA II interface provides a maximum transfer rate of up to 3.0 Gbps, ensuring that these drives can keep up with the demands of modern computing.

The storage capacity of these models varies, with options such as 160GB, 250GB, and 320GB, catering to diverse user needs for both personal and professional use. The HTS541660J9SA00 provides a generous 160GB capacity, while the HTS541680J9SA00 offers up to 320GB, making them suitable for users who require significant storage space for media files, applications, and documents.

In terms of performance, these hard drives boast a rotational speed of 5400 RPM, striking an optimal balance between speed and energy efficiency. This speed ensures relatively quick access times while consuming less power compared to faster 7200 RPM drives, making them ideal for battery-powered devices.

Another significant characteristic of these drives is the use of Hitachi’s Advanced Format technology. This technology increases the physical sector size of the drives to 4KB, enhancing error correction and overall data integrity. This larger sector size allows for greater data efficiency, significantly reducing the overhead associated with data storage.

Furthermore, these drives are designed with Shock Protection technology, which helps to safeguard the drive's internal components from physical shocks caused by accidental drops or bumps. This feature is especially important for mobile storage solutions, where portability can lead to unintentional impacts.

In conclusion, the Hitachi HTS541660J9SA00, HTS541640J9SA00, HTS541616J9SA00, HTS541680J9SA00, and HTS541612J9SA00 hard disk drives are exemplary choices for anyone seeking reliable, efficient, and portable storage solutions. With their combination of adequate capacity, enhanced data management technologies, and robust design, these drives effectively meet the demands of today’s mobile computing needs.
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