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SEAGATE 600 SSD PRODUCT MANUAL, REV. B 24

4.3.1 Identify Device command

The Identify Device command (command code EC

) 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 8 on page 22. 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 3 for default parameter settings.

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

WORD DESCRIPTION VALUE

0 General configuration 0040

1 Number of logical cylinders (obsolete) 16,383 3FFF

2 Specific configuration C837

3 Number of logical heads (obsolete) 16 0010

4-5 Retired 0000

6 Number of logical sectors per logical track (obsolete) 63 003F

7–8 Reserved for CompactFlash Association 0000

9 Retired 0000

10–19 Serial number: (ATA ASCII string padded with spaces (20

)) ASCII

20-21 Retired 0000

22 Obsolete 0000

23–26 Firmware revision (ATA ASCII string padded with spaces (20h)) ASCII

27–46 Model number (ATA ASCII string padded with spaces (20h)) ASCII

47 (Bits 7-0) Maximum number of logical sectors that shall be transferred per DRQ data

block on READ/WRITE MULTIPLE commands. 16

8010

48 Reserved for Trusted Computing feature set options 4000

49 Capabilities – Standby Timer, IORDY Support, etc 2F00

50 Capabilities Continued 4000

51 PIO data transfer cycle timing option (Obsolete) 0000

52 Retired 0000

53 Words 54–58, 64–70 and 88 are valid 0006

54 Number of current logical cylinders (Obsolete) 3FFF

55 Number of current logical heads (Obsolete) 0010

56 Number of current logical sectors per logical track (Obsolete) 003F

57–58 Current capacity in sectors (Obsolete) FC10

00FB

59 Number of LBAs transferred per Read Multiple or Write Multiple. Sanitize Command

Support

9110

60–61 Total number of user addressable logical sectors for 28-bit commands Note: The maxi-

mum value allowed in this field is: 0FFFFFFFh. If this field contains 0FFFFFFFh and the

device has user addressable LBAs greater than or 137GB, then words 100..103 contain

the total number of user addressable LBAs

XXXXXXXX

62 Obsolete 0000

63 Multiword DMA active and modes supported

(see note following this table)

0007

64 Advanced PIO modes supported. SATA = 0003h 0003

65 Minimum Multiword DMA transfer cycle time per word (120ns) 0078

66 Recommended Multiword DMA transfer cycle time (120ns) 0078

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 38 39

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