Identify Device Command - Seagate ST480FN0001 Product Manual

4.3.1

Identify Device command

The Identify Device command (command code EC
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.
W D
ORD ESCRIPTION
0 General configuration
1 Number of logical cylinders (obsolete) 16,383
2 Specific configuration
3 Number of logical heads (obsolete) 16
4-5 Retired
6 Number of logical sectors per logical track (obsolete) 63
7–8 Reserved for CompactFlash Association
9 Retired
10–19 Serial number: (ATA ASCII string padded with spaces (20
20-21 Retired
22 Obsolete
23–26 Firmware revision (ATA ASCII string padded with spaces (20h))
27–46 Model number (ATA ASCII string padded with spaces (20h))
47 (Bits 7-0) Maximum number of logical sectors that shall be transferred
per DRQ data block on READ/WRITE MULTIPLE commands. 16
48 Reserved for Trusted Computing feature set options
49 Capabilities – Standby Timer, IORDY Support, etc
50 Capabilities Continued
51 PIO data transfer cycle timing option (Obsolete)
52 Retired
53 Words 54–58, 64–70 and 88 are valid
54 Number of current logical cylinders (Obsolete)
55 Number of current logical heads (Obsolete)
56 Number of current logical sectors per logical track (Obsolete)
57–58 Current capacity in sectors (Obsolete)
59 Number of LBAs transferred per Read Multiple or Write Multiple.
Sanitize Command Support
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
62 Obsolete
63 Multiword DMA active and modes supported
(see note following this table)
64 Advanced PIO modes supported. SATA = 0003h
65 Minimum Multiword DMA transfer cycle time per word (120ns)
66 Recommended Multiword DMA transfer cycle time (120ns)
S 600 P SSD P
EAGATE RO RODUCT
) transfers information about the drive to the host following power up.
H
M , R . A
ANUAL EV
V
ALUE
0C5A
H
3FFF
H
C837
H
0010
H
0000
H
003F
H
0000
H
0000
H
)) ASCII
H
0000
H
0004
H
ASCII
ASCII
8010
H
4000
H
2F00
H
4000
H
0200
H
0200
H
0006
H
3FFF
H
0010
H
003F
H
FC10 00FB
H
0010
H
XXXXXXXX
H
0000
H
0407
H
0003
H
0078
H
0078
H
H
*
26