Identify Device Command - Seagate ST12000NM0117 Product Manual

5.3.1

Identify Device command

The Identify Device command (command code EC
organized as a single 512-byte block of data, whose contents are shown in Table 8 on page 29. 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 7 for default
parameter settings.
The following commands contain drive-specific features that may not be included in the Serial ATA specification.
Word Description
Configuration information:
• Bit 15: 0 = ATA; 1 = ATAPI
0 • Bit 7: removable media
• Bit 6: removable controller
• Bit 0: reserved
1 Obsolete
2 ATA-reserved
3 Obsolete
4 Retired
5 Retired
6 Obsolete
7–9 Retired
10–19 Serial number: (20 ASCII characters, 0000
20-21 Retired
22 Obsolete
23–26 Firmware revision (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 multiple (16)
48 Trusted computing feature set supported bit 0 (SED only)
49 Standard Standby timer, IORDY supported and may be disabled
50 Capabilities
51-52 Obsolete
53-56 Words 54–58, 64–70 and 88 are valid
57–58 Obsolete
(Bit 15: 0) Block Erase Ext Not Supported
(Bit 14: 1) Overwrite Ext Supported
(Bit 13: X) Crypto Scramble Ext Supported (SED Only)
59
(Bit 12: 1) Sanitize feature set supported
(Bit 11: 1) Commands allowed during sanitize op as specified in ACS-3
(Bit 10: 1) Sanitize Antifreeze Lock Ext command supported
Total number of user-addressable LBA sectors available
(see Section 2.2 for related information)
*Note: The maximum value allowed in this field is: 0FFFFFFFh (268,435,455 sectors,
60–61
137GB). Drives with capacities over 137GB will have 0FFFFFFFh in this field and the
actual number of user-addressable LBAs specified in words 100-103. This is required for
drives that support the 48-bit addressing feature.
62 Obsolete
63 Multiword DMA active and modes supported (see note following this table)
64 Advanced PIO modes supported (modes 3 and 4 supported)
65 Minimum multiword DMA transfer cycle time per word (120 ns)
66 Recommended multiword DMA transfer cycle time per word (120 ns)
Seagate Enterprise Capacity 3.5 HDD v7 SATA Product Manual, Rev. C
) transfers information about the drive to the host following power up. The data is
H
= none)
H
Value
0C5A
H
16,383
0000
H
16
0000
H
0000
H
003F
H
0000
H
ASCII
0000
H
0000
H
x.xx
8010
H
4001
H
2F00
H
4000
H
xxxx
H
xxxx
H
xxxx
H
SC10
H
0FFFFFFFh*
0000
H
xx07
H
0003
H
0078
H
0078
H
31