Seagate ST1000NM0051, ST2000NM0031, ST1000NM0011 Identify Device command, Word Description Value

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6.3.1Identify Device command

The Identify Device command (command code ECH) transfers information about the drive to the host following power up. The data is organized as a single 512-byte block of data, whose contents are shown in Table 9 on page 31. All reserved bits or words should be set to zero. Parameters listed with an “x” are drive-specific or vary with the state of the drive. see Section 2.0 on page 4for default parameter settings.

The following commands contain drive-specific features that may not be included in the Serial ATA specification.

Word

Description

Value

 

 

 

 

 

0

Configuration information:

0C5AH

 

• Bit 15: 0 = ATA; 1 = ATAPI

 

 

 

• Bit 7: removable media

 

 

 

• Bit 6: removable controller

 

 

 

• Bit 0: reserved

 

 

1

Number of logical cylinders

16,383

 

 

 

 

 

2

ATA-reserved

0000H

3

Number of logical heads

16

 

 

 

 

 

4

Retired

0000H

 

5

Retired

0000H

 

6

Number of logical sectors per logical track: 63

003FH

 

7–9

Retired

0000H

 

10–19

Serial number: (20 ASCII characters, 0000H = none)

ASCII

 

20

Retired

0000H

 

21

Retired

0400H

 

22

Obsolete

0000H

 

23–26

Firmware revision

x.xx

 

(8 ASCII character string, padded with blanks to end of string)

 

 

27–46

Drive model number:

 

 

 

(40 ASCII characters, padded with blanks to end of string)

 

 

47

(Bits 7–0) Maximum sectors per interrupt on Read multiple and Write

8010H

 

multiple (16)

 

 

48

Reserved

0000H

 

49

Standard Standby timer, IORDY supported and may be disabled

2F00H

 

50

ATA-reserved

0000H

 

51

PIO data-transfer cycle timing mode

0200H

 

52

Retired

0200H

 

53

Words 54–58, 64–70 and 88 are valid

0007H

 

54

Number of current logical cylinders

xxxxH

 

55

Number of current logical heads

xxxxH

 

56

Number of current logical sectors per logical track

xxxxH

 

57–58

Current capacity in sectors

xxxxH

 

59

Number of sectors transferred during a Read Multiple

xxxxH

 

or Write Multiple command

 

 

60–61

Total number of user-addressable LBA sectors available

0FFFFFFFh*

 

(see Section 2.2 for related information)

 

 

 

*Note: The maximum value allowed in this field is: 0FFFFFFFh

 

 

 

(268,435,455 sectors, 137GB). Drives with capacities over 137GB will

 

 

 

have 0FFFFFFFh in this field and the actual number of user-address-

 

 

 

able LBAs specified in words 100-103. This is required for drives that

 

 

 

support the 48-bit addressing feature.

 

 

62

Retired

0000H

 

63

Multiword DMA active and modes supported

xx07H

 

(see note following this table)

 

 

64

Advanced PIO modes supported (modes 3 and 4 supported)

0003H

 

65

Minimum multiword DMA transfer cycle time per word (120 ns)

0078H

 

CONSTELLATION ES SERIAL ATA PRODUCT MANUAL, REV. F

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Contents Constellation ES Serial ATA Document Revision History Contents Serial ATA Sata interface Figures Seagate Technology Support Services Introduction About the Serial ATA Interface Drive Specifications Specification Summary TablesLBA mode Formatted CapacityRecording and Interface Technology Default Logical GeometryPhysical Characteristics Seek TimeSTART/STOP Times Power SpecificationsPower consumption 2TB models 1TB models 500GB models2TB Drive DC power requirements 1TB Drive DC power requirements 500GB Drive DC power requirements Typical current profiles 2TB model current profile 1TB model current profile 500GB model current profile Voltage toleranceActive mode Power-management modesPower modes Heads Spindle Buffer Standby modePowerChoice is invoked using one of two methods Extended Power Conditions PowerChoiceTMPower Condition Name Power Condition ID Description A.R.T. Read Data ReportsPower Condition Identifiers Power Condition Name Power Condition Name Manufacturer Default Timer ValuesPowerChoice Supported Extended Power Condition Identifiers Temperature a. Operating Environmental LimitsShock Humidity Relative humidityAltitude Operating shockTest for Prominent Discrete Tones Pdts AcousticsFluid Dynamic Bearing FDB motor acoustics Electromagnetic ImmunityAgency Certification Safety certificationReliability Electromagnetic compatibilityFCC verification Korean RRLAustralian C-Tick N176 Corrosive Environment Environmental ProtectionChina Restriction of Hazardous Substances RoHS Directive Shipping Product WarrantyReference Documents StorageSerial ATA Cables and Connectors Handling and STATIC-DISCHARGE PrecautionsConfiguring the Drive Mounting dimensions-top, side and end view Drive MountingLevel 2 security PurposeSeagate Enterprise SEDs Random Number Generator RNG Controlled AccessData Encryption Supported Commands Authenticated Firmware DownloadPower Requirements Drive LockingATA Security Erase Unit Command on SED Sata Drives RevertspHOT-PLUG Compatibility Serial ATA Device Plug Connector PIN DefinitionsSerial ATA connector pin definitions Supported ATA Commands Command name Command code in hexCA H Identify Device command Word Description ValueXx 3F H Description if bit is set to Set Features command Set Features command values3 S.M.A.R.T. commands M.A.R.T. commandsIndex Psid RNG Index Seagate Technology LLC