Seagate ST100FP0021 Computer Drive User Manual


 
SEAGATE 600 PRO SSD PRODUCT MANUAL, REV. A 26
4.3.1 Identify Device command
The Identify Device command (command code EC
H
) 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 11 on page 24. 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 0C5A
H
1 Number of logical cylinders (obsolete) 16,383 3FFF
H
2 Specific configuration C837
H
3 Number of logical heads (obsolete) 16 0010
H
4-5 Retired 0000
H
6 Number of logical sectors per logical track (obsolete) 63 003F
H
7–8 Reserved for CompactFlash Association 0000
H
9 Retired 0000
H
10–19 Serial number: (ATA ASCII string padded with spaces (20
H
)) ASCII
20-21 Retired 0000
H
22 Obsolete 0004
H
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
H
48 Reserved for Trusted Computing feature set options 4000
H
49 Capabilities – Standby Timer, IORDY Support, etc 2F00
H
50 Capabilities Continued 4000
H
51 PIO data transfer cycle timing option (Obsolete) 0200
H
52 Retired 0200
H
53 Words 54–58, 64–70 and 88 are valid 0006
H
54 Number of current logical cylinders (Obsolete) 3FFF
H
55 Number of current logical heads (Obsolete) 0010
H
56 Number of current logical sectors per logical track (Obsolete) 003F
H
57–58 Current capacity in sectors (Obsolete) FC10
H
00FB
H
59 Number of LBAs transferred per Read Multiple or Write Multiple.
Sanitize Command Support
0010
H
60–61 Total number of user addressable logical sectors for 28-bit commands
Note: The maximum 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
H
*
62 Obsolete 0000
H
63 Multiword DMA active and modes supported
(see note following this table)
0407
H
64 Advanced PIO modes supported. SATA = 0003h 0003
H
65 Minimum Multiword DMA transfer cycle time per word (120ns) 0078
H
66 Recommended Multiword DMA transfer cycle time (120ns) 0078
H